title: ImportError: No module named pip
body: <p>OS: Mac OS X 10.7.5 
  Python Ver: 2.7.5</p>
  
  <p>I have installed setuptools 1.0 with ez_setup.py from <a href="https://pypi.python.org/pypi/setuptools" rel="noreferrer">https://pypi.python.org/pypi/setuptools</a>
  Then I download pip.1.4.1 pkg from <a href="https://pypi.python.org/pypi/pip/1.4.1" rel="noreferrer">https://pypi.python.org/pypi/pip/1.4.1</a>.</p>
  
  <p>Run (sudo) <code>python setup.py install</code> in iTerm shows that </p>
  
  <pre class="lang-none prettyprint-override"><code>running install
  running bdist_egg running egg_info writing requirements to
  pip.egg-info/requires.txt writing pip.egg-info/PKG-INFO writing
  top-level names to pip.egg-info/top_level.txt writing dependency_links
  to pip.egg-info/dependency_links.txt writing entry points to
  pip.egg-info/entry_points.txt warning: manifest_maker: standard file
  'setup.py' not found
  
  reading manifest file 'pip.egg-info/SOURCES.txt' writing manifest file
  'pip.egg-info/SOURCES.txt' installing library code to
  build/bdist.macosx-10.6-intel/egg running install_lib warning:
  install_lib: 'build/lib' does not exist -- no Python modules to
  install
  
  creating build/bdist.macosx-10.6-intel/egg creating
  build/bdist.macosx-10.6-intel/egg/EGG-INFO copying
  pip.egg-info/PKG-INFO -&gt; build/bdist.macosx-10.6-intel/egg/EGG-INFO
  copying pip.egg-info/SOURCES.txt -&gt;
  build/bdist.macosx-10.6-intel/egg/EGG-INFO copying
  pip.egg-info/dependency_links.txt -&gt;
  build/bdist.macosx-10.6-intel/egg/EGG-INFO copying
  pip.egg-info/entry_points.txt -&gt;
  build/bdist.macosx-10.6-intel/egg/EGG-INFO copying
  pip.egg-info/not-zip-safe -&gt;
  build/bdist.macosx-10.6-intel/egg/EGG-INFO copying
  pip.egg-info/requires.txt -&gt;
  build/bdist.macosx-10.6-intel/egg/EGG-INFO copying
  pip.egg-info/top_level.txt -&gt;
  build/bdist.macosx-10.6-intel/egg/EGG-INFO creating
  'dist/pip-1.4.1-py2.7.egg' and adding
  'build/bdist.macosx-10.6-intel/egg' to it removing
  'build/bdist.macosx-10.6-intel/egg' (and everything under it)
  Processing pip-1.4.1-py2.7.egg removing
  '/Users/dl/Library/Python/2.7/lib/python/site-packages/pip-1.4.1-py2.7.egg'
  (and everything under it) creating
  /Users/dl/Library/Python/2.7/lib/python/site-packages/pip-1.4.1-py2.7.egg
  Extracting pip-1.4.1-py2.7.egg to
  /Users/dl/Library/Python/2.7/lib/python/site-packages pip 1.4.1 is
  already the active version in easy-install.pth Installing pip script
  to /Users/dl/Library/Python/2.7/bin Installing pip-2.7 script to
  /Users/dl/Library/Python/2.7/bin
  
  Installed
  /Users/dl/Library/Python/2.7/lib/python/site-packages/pip-1.4.1-py2.7.egg
  Processing dependencies for pip==1.4.1 Finished processing
  dependencies for pip==1.4.1
  </code></pre>
  
  <p>Then I inputed <code>pip install</code>, the error message showed like that </p>
  
  <pre class="lang-none prettyprint-override"><code>Traceback (most recent call last):   File
  "/Library/Frameworks/Python.framework/Versions/2.7/bin/pip", line 9,
  in &lt;module&gt;
  load_entry_point('pip==1.4.1', 'console_scripts', 'pip')()   File "build/bdist.macosx-10.6-intel/egg/pkg_resources.py", line 357, in
  load_entry_point   File
  "build/bdist.macosx-10.6-intel/egg/pkg_resources.py", line 2394, in
  load_entry_point   File
  "build/bdist.macosx-10.6-intel/egg/pkg_resources.py", line 2108, in
  load ImportError: No module named pip
  </code></pre>
  
  <p>Anyone who met the same problem before and can give me some tips to solve it?</p>