bidict won't pip uninstall from virtualenv about bidict HOT 4 CLOSED

10:53:39 ~> cd /tmp
10:54:00 /tmp> virtualenv -p /usr/bin/python test
Running virtualenv with interpreter /usr/bin/python
New python executable in test/bin/python
Installing setuptools, pip...done.
10:54:24 /tmp> cd test
10:54:29 /t/test> . bin/activate.fish
(test)10:54:31 /t/test> pip install bidict
You are using pip version 6.1.1, however version 7.1.0 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
Collecting bidict
/private/tmp/test/lib/python2.7/site-packages/pip/_vendor/requests/packages/urllib3/util/ssl_.py:79: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
  InsecurePlatformWarning
  Downloading bidict-0.9.0.post1.tar.gz
Installing collected packages: bidict
  Running setup.py install for bidict
Successfully installed bidict-0.9.0.post1
(test)10:54:39 /t/test> python -c 'import bidict'
(test)10:54:50 /t/test> pip uninstall bidict
You are using pip version 6.1.1, however version 7.1.0 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
Uninstalling bidict-0.9.0.post1:
  /private/tmp/test/lib/python2.7/site-packages/bidict-0.9.0.post1-py2.7.egg-info
  /private/tmp/test/lib/python2.7/site-packages/bidict/VERSION
  /private/tmp/test/lib/python2.7/site-packages/bidict/__init__.py
  /private/tmp/test/lib/python2.7/site-packages/bidict/__init__.pyc
  /private/tmp/test/lib/python2.7/site-packages/bidict/_bidict.py
  /private/tmp/test/lib/python2.7/site-packages/bidict/_bidict.pyc
  /private/tmp/test/lib/python2.7/site-packages/bidict/_collapsing.py
  /private/tmp/test/lib/python2.7/site-packages/bidict/_collapsing.pyc
  /private/tmp/test/lib/python2.7/site-packages/bidict/_common.py
  /private/tmp/test/lib/python2.7/site-packages/bidict/_common.pyc
  /private/tmp/test/lib/python2.7/site-packages/bidict/_frozen.py
  /private/tmp/test/lib/python2.7/site-packages/bidict/_frozen.pyc
  /private/tmp/test/lib/python2.7/site-packages/bidict/_named.py
  /private/tmp/test/lib/python2.7/site-packages/bidict/_named.pyc
  /private/tmp/test/lib/python2.7/site-packages/bidict/compat.py
  /private/tmp/test/lib/python2.7/site-packages/bidict/compat.pyc
  /private/tmp/test/lib/python2.7/site-packages/bidict/util.py
  /private/tmp/test/lib/python2.7/site-packages/bidict/util.pyc
Proceed (y/n)? y
  Successfully uninstalled bidict-0.9.0.post1
(test)10:54:57 /t/test> python -c 'import bidict'
Traceback (most recent call last):
  File "<string>", line 1, in <module>
ImportError: No module named bidict