title: You need to install postgresql-server-dev-X.Y for building a server-side extension or libpq-dev for building a client-side application
body: <p>I am working on Django project with virtualenv and connect it to local postgres database. when i run the project is says,</p>
  
  <pre><code>ImportError: No module named psycopg2.extensions
  </code></pre>
  
  <p>then i used this command to install </p>
  
  <pre><code>pip install psycopg2
  </code></pre>
  
  <p>then during the installation it gives following error.</p>
  
  <pre><code>Downloading/unpacking psycopg2==2.4.4
    Downloading psycopg2-2.4.4.tar.gz (648kB): 648kB downloaded
    Running setup.py (path:/home/muhammadtaqi/Projects/MyProjects/OnlineElectionCampaign/venv/build/psycopg2/setup.py) egg_info for package psycopg2
  
      Error: You need to install postgresql-server-dev-X.Y for building a server-side extension or libpq-dev for building a client-side application.
  
      Complete output from command python setup.py egg_info:
      running egg_info
  
  creating pip-egg-info/psycopg2.egg-info
  
  writing pip-egg-info/psycopg2.egg-info/PKG-INFO
  
  writing top-level names to pip-egg-info/psycopg2.egg-info/top_level.txt
  
  writing dependency_links to pip-egg-info/psycopg2.egg-info/dependency_links.txt
  
  writing manifest file 'pip-egg-info/psycopg2.egg-info/SOURCES.txt'
  
  warning: manifest_maker: standard file '-c' not found
  
  
  
  Error: You need to install postgresql-server-dev-X.Y for building a server-side extension or libpq-dev for building a client-side application.
  
  
  
  ----------------------------------------
  Cleaning up...
  Command python setup.py egg_info failed with error code 1 in /home/muhammadtaqi/Projects/MyProjects/OnlineElectionCampaign/venv/build/psycopg2
  Storing debug log for failure in /home/muhammadtaqi/.pip/pip.log
  </code></pre>