title: Django 'pip install django-heroku'(psycopg2) error is blocking deployment to Heroku
body: <p>I am setting up a new Django project to deploy on Heroku, however when I am following the Django Heroku deployment guide I come across an error during 'pip install django-heroku'.</p>
  
  <p>I am running on: <br>
  OS: <code>MacOS Mojave 10.14.6</code><br>
  virtualenv: python3<br>
  pip freeze output:</p>
  
  <pre><code>(env) MacBook-Pro:testing_django sudoxx2$ pip freeze
  dj-database-url==0.5.0
  Django==2.2.3
  gunicorn==19.9.0
  psycopg2-binary==2.8.3
  pytz==2019.1
  sqlparse==0.3.0
  whitenoise==4.1.3
  </code></pre>
  
  <p>Here is the error output after executing the <code>pip install django-heroku</code> command:</p>
  
  <pre><code>(env) MacBook-Pro:testing_django sudoxx2$ pip install psycopg2-binary
  Collecting psycopg2-binary
    Using cached https://files.pythonhosted.org/packages/ee/ed/2772267467ba5c21a73d37149da0b49a4343c6646d501dbb1450b492d40a/psycopg2_binary-2.8.3-cp37-cp37m-macosx_10_6_intel.macosx_10_9_intel.macosx_10_9_x86_64.macosx_10_10_intel.macosx_10_10_x86_64.whl
  Installing collected packages: psycopg2-binary
  Successfully installed psycopg2-binary-2.8.3
  (env) MacBook-Pro:testing_django sudoxx2$ pip install django-heroku
  Collecting django-heroku
    Using cached https://files.pythonhosted.org/packages/59/af/5475a876c5addd5a3494db47d9f7be93cc14d3a7603542b194572791b6c6/django_heroku-0.3.1-py2.py3-none-any.whl
  Collecting psycopg2 (from django-heroku)
    Using cached https://files.pythonhosted.org/packages/5c/1c/6997288da181277a0c29bc39a5f9143ff20b8c99f2a7d059cfb55163e165/psycopg2-2.8.3.tar.gz
  Requirement already satisfied: whitenoise in /Users/sudoxx2/Documents/github/delete_copy/env/lib/python3.7/site-packages (from django-heroku) (4.1.3)
  Requirement already satisfied: django in /Users/sudoxx2/Documents/github/delete_copy/env/lib/python3.7/site-packages (from django-heroku) (2.2.3)
  Requirement already satisfied: dj-database-url&gt;=0.5.0 in /Users/sudoxx2/Documents/github/delete_copy/env/lib/python3.7/site-packages (from django-heroku) (0.5.0)
  Requirement already satisfied: sqlparse in /Users/sudoxx2/Documents/github/delete_copy/env/lib/python3.7/site-packages (from django-&gt;django-heroku) (0.3.0)
  Requirement already satisfied: pytz in /Users/sudoxx2/Documents/github/delete_copy/env/lib/python3.7/site-packages (from django-&gt;django-heroku) (2019.1)
  Installing collected packages: psycopg2, django-heroku
    Running setup.py install for psycopg2 ... error
      ERROR: Command errored out with exit status 1:
       command: /Users/sudoxx2/Documents/github/delete_copy/env/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-install-cq6yuehb/psycopg2/setup.py'"'"'; __file__='"'"'/private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-install-cq6yuehb/psycopg2/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-record-tyidyv7j/install-record.txt --single-version-externally-managed --compile --install-headers /Users/sudoxx2/Documents/github/delete_copy/env/include/site/python3.7/psycopg2
           cwd: /private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-install-cq6yuehb/psycopg2/
      Complete output (48 lines):
      running install
      running build
      running build_py
      creating build
      creating build/lib.macosx-10.9-x86_64-3.7
      creating build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/_json.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/extras.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/compat.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/errorcodes.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/tz.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/_range.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/_ipaddress.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/_lru_cache.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/__init__.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/extensions.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/errors.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/sql.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/pool.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      running build_ext
      building 'psycopg2._psycopg' extension
      creating build/temp.macosx-10.9-x86_64-3.7
      creating build/temp.macosx-10.9-x86_64-3.7/psycopg
      gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.3 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=110004 -DHAVE_LO64=1 -I/Users/sudoxx2/Documents/github/delete_copy/env/include -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/Cellar/postgresql/11.4/include -I/usr/local/Cellar/postgresql/11.4/include/server -c psycopg/psycopgmodule.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/psycopgmodule.o
      In file included from psycopg/psycopgmodule.c:27:
      In file included from ./psycopg/psycopg.h:34:
      /Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m/Python.h:30:10: warning: non-portable path to file '&lt;String.h&gt;'; specified path differs in case from file name on disk [-Wnonportable-include-path]
      #include &lt;string.h&gt;
               ^~~~~~~~~~
               &lt;String.h&gt;
      In file included from psycopg/psycopgmodule.c:27:
      In file included from ./psycopg/psycopg.h:34:
      In file included from /Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m/Python.h:30:
      /usr/local/include/string.h:25:10: fatal error: 'plist/Node.h' file not found
      #include &lt;plist/Node.h&gt;
               ^~~~~~~~~~~~~~
      1 warning and 1 error generated.
  
      It appears you are missing some prerequisite to build the package from source.
  
      You may install a binary package by installing 'psycopg2-binary' from PyPI.
      If you want to install psycopg2 from source, please install the packages
      required for the build and try again.
  
      For further information please check the 'doc/src/install.rst' file (also at
      &lt;http://initd.org/psycopg/docs/install.html&gt;).
  
      error: command 'gcc' failed with exit status 1
      ----------------------------------------
  ERROR: Command errored out with exit status 1: /Users/sudoxx2/Documents/github/delete_copy/env/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-install-cq6yuehb/psycopg2/setup.py'"'"'; __file__='"'"'/private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-install-cq6yuehb/psycopg2/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-record-tyidyv7j/install-record.txt --single-version-externally-managed --compile --install-headers /Users/sudoxx2/Documents/github/delete_copy/env/include/site/python3.7/psycopg2 Check the logs for full command output.
  (env) MacBook-Pro:testing_django sudoxx2$ pip install psycopg2-binary
  Collecting psycopg2-binary
    Using cached https://files.pythonhosted.org/packages/ee/ed/2772267467ba5c21a73d37149da0b49a4343c6646d501dbb1450b492d40a/psycopg2_binary-2.8.3-cp37-cp37m-macosx_10_6_intel.macosx_10_9_intel.macosx_10_9_x86_64.macosx_10_10_intel.macosx_10_10_x86_64.whl
  Installing collected packages: psycopg2-binary
  Successfully installed psycopg2-binary-2.8.3
  (env) MacBook-Pro:testing_django sudoxx2$ pip install django-heroku
  Collecting django-heroku
    Using cached https://files.pythonhosted.org/packages/59/af/5475a876c5addd5a3494db47d9f7be93cc14d3a7603542b194572791b6c6/django_heroku-0.3.1-py2.py3-none-any.whl
  Collecting psycopg2 (from django-heroku)
    Using cached https://files.pythonhosted.org/packages/5c/1c/6997288da181277a0c29bc39a5f9143ff20b8c99f2a7d059cfb55163e165/psycopg2-2.8.3.tar.gz
  Requirement already satisfied: whitenoise in /Users/sudoxx2/Documents/github/delete_copy/env/lib/python3.7/site-packages (from django-heroku) (4.1.3)
  Requirement already satisfied: django in /Users/sudoxx2/Documents/github/delete_copy/env/lib/python3.7/site-packages (from django-heroku) (2.2.3)
  Requirement already satisfied: dj-database-url&gt;=0.5.0 in /Users/sudoxx2/Documents/github/delete_copy/env/lib/python3.7/site-packages (from django-heroku) (0.5.0)
  Requirement already satisfied: sqlparse in /Users/sudoxx2/Documents/github/delete_copy/env/lib/python3.7/site-packages (from django-&gt;django-heroku) (0.3.0)
  Requirement already satisfied: pytz in /Users/sudoxx2/Documents/github/delete_copy/env/lib/python3.7/site-packages (from django-&gt;django-heroku) (2019.1)
  Installing collected packages: psycopg2, django-heroku
    Running setup.py install for psycopg2 ... error
      ERROR: Command errored out with exit status 1:
       command: /Users/sudoxx2/Documents/github/delete_copy/env/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-install-cq6yuehb/psycopg2/setup.py'"'"'; __file__='"'"'/private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-install-cq6yuehb/psycopg2/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-record-tyidyv7j/install-record.txt --single-version-externally-managed --compile --install-headers /Users/sudoxx2/Documents/github/delete_copy/env/include/site/python3.7/psycopg2
           cwd: /private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-install-cq6yuehb/psycopg2/
      Complete output (48 lines):
      running install
      running build
      running build_py
      creating build
      creating build/lib.macosx-10.9-x86_64-3.7
      creating build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/_json.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/extras.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/compat.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/errorcodes.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/tz.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/_range.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/_ipaddress.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/_lru_cache.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/__init__.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/extensions.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/errors.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/sql.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/pool.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      running build_ext
      building 'psycopg2._psycopg' extension
      creating build/temp.macosx-10.9-x86_64-3.7
      creating build/temp.macosx-10.9-x86_64-3.7/psycopg
      gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.3 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=110004 -DHAVE_LO64=1 -I/Users/sudoxx2/Documents/github/delete_copy/env/include -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/Cellar/postgresql/11.4/include -I/usr/local/Cellar/postgresql/11.4/include/server -c psycopg/psycopgmodule.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/psycopgmodule.o
      In file included from psycopg/psycopgmodule.c:27:
      In file included from ./psycopg/psycopg.h:34:
      /Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m/Python.h:30:10: warning: non-portable path to file '&lt;String.h&gt;'; specified path differs in case from file name on disk [-Wnonportable-include-path]
      #include &lt;string.h&gt;
               ^~~~~~~~~~
               &lt;String.h&gt;
      In file included from psycopg/psycopgmodule.c:27:
      In file included from ./psycopg/psycopg.h:34:
      In file included from /Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m/Python.h:30:
      /usr/local/include/string.h:25:10: fatal error: 'plist/Node.h' file not found
      #include &lt;plist/Node.h&gt;
               ^~~~~~~~~~~~~~
      1 warning and 1 error generated.
  
      It appears you are missing some prerequisite to build the package from source.
  
      You may install a binary package by installing 'psycopg2-binary' from PyPI.
      If you want to install psycopg2 from source, please install the packages
      required for the build and try again.
  
      For further information please check the 'doc/src/install.rst' file (also at
      &lt;http://initd.org/psycopg/docs/install.html&gt;).
  
      error: command 'gcc' failed with exit status 1
      ----------------------------------------
  ERROR: Command errored out with exit status 1: /Users/sudoxx2/Documents/github/delete_copy/env/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-install-cq6yuehb/psycopg2/setup.py'"'"'; __file__='"'"'/private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-install-cq6yuehb/psycopg2/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-record-tyidyv7j/install-record.txt --single-version-externally-managed --compile --install-headers /Users/sudoxx2/Documents/github/delete_copy/env/include/site/python3.7/psycopg2 Check the logs for full command output.(env) MacBook-Pro:testing_django sudoxx2$ pip install psycopg2-binary
  Collecting psycopg2-binary
    Using cached https://files.pythonhosted.org/packages/ee/ed/2772267467ba5c21a73d37149da0b49a4343c6646d501dbb1450b492d40a/psycopg2_binary-2.8.3-cp37-cp37m-macosx_10_6_intel.macosx_10_9_intel.macosx_10_9_x86_64.macosx_10_10_intel.macosx_10_10_x86_64.whl
  Installing collected packages: psycopg2-binary
  Successfully installed psycopg2-binary-2.8.3
  (env) MacBook-Pro:testing_django sudoxx2$ pip install django-heroku
  Collecting django-heroku
    Using cached https://files.pythonhosted.org/packages/59/af/5475a876c5addd5a3494db47d9f7be93cc14d3a7603542b194572791b6c6/django_heroku-0.3.1-py2.py3-none-any.whl
  Collecting psycopg2 (from django-heroku)
    Using cached https://files.pythonhosted.org/packages/5c/1c/6997288da181277a0c29bc39a5f9143ff20b8c99f2a7d059cfb55163e165/psycopg2-2.8.3.tar.gz
  Requirement already satisfied: whitenoise in /Users/sudoxx2/Documents/github/delete_copy/env/lib/python3.7/site-packages (from django-heroku) (4.1.3)
  Requirement already satisfied: django in /Users/sudoxx2/Documents/github/delete_copy/env/lib/python3.7/site-packages (from django-heroku) (2.2.3)
  Requirement already satisfied: dj-database-url&gt;=0.5.0 in /Users/sudoxx2/Documents/github/delete_copy/env/lib/python3.7/site-packages (from django-heroku) (0.5.0)
  Requirement already satisfied: sqlparse in /Users/sudoxx2/Documents/github/delete_copy/env/lib/python3.7/site-packages (from django-&gt;django-heroku) (0.3.0)
  Requirement already satisfied: pytz in /Users/sudoxx2/Documents/github/delete_copy/env/lib/python3.7/site-packages (from django-&gt;django-heroku) (2019.1)
  Installing collected packages: psycopg2, django-heroku
    Running setup.py install for psycopg2 ... error
      ERROR: Command errored out with exit status 1:
       command: /Users/sudoxx2/Documents/github/delete_copy/env/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-install-cq6yuehb/psycopg2/setup.py'"'"'; __file__='"'"'/private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-install-cq6yuehb/psycopg2/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-record-tyidyv7j/install-record.txt --single-version-externally-managed --compile --install-headers /Users/sudoxx2/Documents/github/delete_copy/env/include/site/python3.7/psycopg2
           cwd: /private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-install-cq6yuehb/psycopg2/
      Complete output (48 lines):
      running install
      running build
      running build_py
      creating build
      creating build/lib.macosx-10.9-x86_64-3.7
      creating build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/_json.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/extras.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/compat.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/errorcodes.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/tz.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/_range.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/_ipaddress.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/_lru_cache.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/__init__.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/extensions.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/errors.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/sql.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/pool.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      running build_ext
      building 'psycopg2._psycopg' extension
      creating build/temp.macosx-10.9-x86_64-3.7
      creating build/temp.macosx-10.9-x86_64-3.7/psycopg
      gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.3 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=110004 -DHAVE_LO64=1 -I/Users/sudoxx2/Documents/github/delete_copy/env/include -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/Cellar/postgresql/11.4/include -I/usr/local/Cellar/postgresql/11.4/include/server -c psycopg/psycopgmodule.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/psycopgmodule.o
      In file included from psycopg/psycopgmodule.c:27:
      In file included from ./psycopg/psycopg.h:34:
      /Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m/Python.h:30:10: warning: non-portable path to file '&lt;String.h&gt;'; specified path differs in case from file name on disk [-Wnonportable-include-path]
      #include &lt;string.h&gt;
               ^~~~~~~~~~
               &lt;String.h&gt;
      In file included from psycopg/psycopgmodule.c:27:
      In file included from ./psycopg/psycopg.h:34:
      In file included from /Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m/Python.h:30:
      /usr/local/include/string.h:25:10: fatal error: 'plist/Node.h' file not found
      #include &lt;plist/Node.h&gt;
               ^~~~~~~~~~~~~~
      1 warning and 1 error generated.
  
      It appears you are missing some prerequisite to build the package from source.
  
      You may install a binary package by installing 'psycopg2-binary' from PyPI.
      If you want to install psycopg2 from source, please install the packages
      required for the build and try again.
  
      For further information please check the 'doc/src/install.rst' file (also at
      &lt;http://initd.org/psycopg/docs/install.html&gt;).
  
      error: command 'gcc' failed with exit status 1
      ----------------------------------------
  ERROR: Command errored out with exit status 1: /Users/sudoxx2/Documents/github/delete_copy/env/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-install-cq6yuehb/psycopg2/setup.py'"'"'; __file__='"'"'/private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-install-cq6yuehb/psycopg2/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-record-tyidyv7j/install-record.txt --single-version-externally-managed --compile --install-headers /Users/sudoxx2/Documents/github/delete_copy/env/include/site/python3.7/psycopg2 Check the logs for full command output.(env) MacBook-Pro:testing_django sudoxx2$ pip install psycopg2-binary
  Collecting psycopg2-binary
    Using cached https://files.pythonhosted.org/packages/ee/ed/2772267467ba5c21a73d37149da0b49a4343c6646d501dbb1450b492d40a/psycopg2_binary-2.8.3-cp37-cp37m-macosx_10_6_intel.macosx_10_9_intel.macosx_10_9_x86_64.macosx_10_10_intel.macosx_10_10_x86_64.whl
  Installing collected packages: psycopg2-binary
  Successfully installed psycopg2-binary-2.8.3
  (env) MacBook-Pro:testing_django sudoxx2$ pip install django-heroku
  Collecting django-heroku
    Using cached https://files.pythonhosted.org/packages/59/af/5475a876c5addd5a3494db47d9f7be93cc14d3a7603542b194572791b6c6/django_heroku-0.3.1-py2.py3-none-any.whl
  Collecting psycopg2 (from django-heroku)
    Using cached https://files.pythonhosted.org/packages/5c/1c/6997288da181277a0c29bc39a5f9143ff20b8c99f2a7d059cfb55163e165/psycopg2-2.8.3.tar.gz
  Requirement already satisfied: whitenoise in /Users/sudoxx2/Documents/github/delete_copy/env/lib/python3.7/site-packages (from django-heroku) (4.1.3)
  Requirement already satisfied: django in /Users/sudoxx2/Documents/github/delete_copy/env/lib/python3.7/site-packages (from django-heroku) (2.2.3)
  Requirement already satisfied: dj-database-url&gt;=0.5.0 in /Users/sudoxx2/Documents/github/delete_copy/env/lib/python3.7/site-packages (from django-heroku) (0.5.0)
  Requirement already satisfied: sqlparse in /Users/sudoxx2/Documents/github/delete_copy/env/lib/python3.7/site-packages (from django-&gt;django-heroku) (0.3.0)
  Requirement already satisfied: pytz in /Users/sudoxx2/Documents/github/delete_copy/env/lib/python3.7/site-packages (from django-&gt;django-heroku) (2019.1)
  Installing collected packages: psycopg2, django-heroku
    Running setup.py install for psycopg2 ... error
      ERROR: Command errored out with exit status 1:
       command: /Users/sudoxx2/Documents/github/delete_copy/env/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-install-cq6yuehb/psycopg2/setup.py'"'"'; __file__='"'"'/private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-install-cq6yuehb/psycopg2/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-record-tyidyv7j/install-record.txt --single-version-externally-managed --compile --install-headers /Users/sudoxx2/Documents/github/delete_copy/env/include/site/python3.7/psycopg2
           cwd: /private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-install-cq6yuehb/psycopg2/
      Complete output (48 lines):
      running install
      running build
      running build_py
      creating build
      creating build/lib.macosx-10.9-x86_64-3.7
      creating build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/_json.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/extras.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/compat.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/errorcodes.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/tz.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/_range.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/_ipaddress.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/_lru_cache.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/__init__.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/extensions.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/errors.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/sql.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      copying lib/pool.py -&gt; build/lib.macosx-10.9-x86_64-3.7/psycopg2
      running build_ext
      building 'psycopg2._psycopg' extension
      creating build/temp.macosx-10.9-x86_64-3.7
      creating build/temp.macosx-10.9-x86_64-3.7/psycopg
      gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.3 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=110004 -DHAVE_LO64=1 -I/Users/sudoxx2/Documents/github/delete_copy/env/include -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/Cellar/postgresql/11.4/include -I/usr/local/Cellar/postgresql/11.4/include/server -c psycopg/psycopgmodule.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/psycopgmodule.o
      In file included from psycopg/psycopgmodule.c:27:
      In file included from ./psycopg/psycopg.h:34:
      /Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m/Python.h:30:10: warning: non-portable path to file '&lt;String.h&gt;'; specified path differs in case from file name on disk [-Wnonportable-include-path]
      #include &lt;string.h&gt;
               ^~~~~~~~~~
               &lt;String.h&gt;
      In file included from psycopg/psycopgmodule.c:27:
      In file included from ./psycopg/psycopg.h:34:
      In file included from /Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m/Python.h:30:
      /usr/local/include/string.h:25:10: fatal error: 'plist/Node.h' file not found
      #include &lt;plist/Node.h&gt;
               ^~~~~~~~~~~~~~
      1 warning and 1 error generated.
  
      It appears you are missing some prerequisite to build the package from source.
  
      You may install a binary package by installing 'psycopg2-binary' from PyPI.
      If you want to install psycopg2 from source, please install the packages
      required for the build and try again.
  
      For further information please check the 'doc/src/install.rst' file (also at
      &lt;http://initd.org/psycopg/docs/install.html&gt;).
  
      error: command 'gcc' failed with exit status 1
      ----------------------------------------
  ERROR: Command errored out with exit status 1: /Users/sudoxx2/Documents/github/delete_copy/env/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-install-cq6yuehb/psycopg2/setup.py'"'"'; __file__='"'"'/private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-install-cq6yuehb/psycopg2/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/4d/s84v7k6d1dx_m_6qbd1wfbz80000gp/T/pip-record-tyidyv7j/install-record.txt --single-version-externally-managed --compile --install-headers /Users/sudoxx2/Documents/github/delete_copy/env/include/site/python3.7/psycopg2 Check the logs for full command output.
  
  </code></pre>
  
  <p>I have tried <code>pip install psycopg2-binary</code> but no luck.</p>
  
  <p>Made a new project to test and have same error.</p>
  
  <p>Any help would be awesome.</p>
  
  <hr>
  
  <h2>UPDATE 7/31/2019</h2>
  
  <p>I tested on windows 10 and everything pass with flying colors and was able to deploy to heroku. It seems like this might be Mojave OS specific.</p>