[Bug 1060850] Re: Ubuntu 11.04: VirtualEnvironment - start ipython error after update at 3.10.2012

[Djien Kwee]

*** This bug is a duplicate of bug 989856 ***
    https://bugs.launchpad.net/bugs/989856

Thank you, reinstall the virtual environment over the existent one,
works fine. Ipython can be used again without error

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Title:
  Ubuntu 11.04: VirtualEnvironment - start ipython error after update at
  3.10.2012

Status in “python2.7” package in Ubuntu:
  Invalid

Bug description:
  Environment: Ubuntu 11.04

  At 3.10.2012 there are 5 updates for python 2.7.1 (2.7.1-5ubuntu2,
  2.7.1-5ubuntu2.2) and since then ipython in virtual environment
  produces import error: cannot import name urandom

  (virtenv)[/media/wd40/VirtEnv_py2.7_Ubu/virtenv]:$ ipython
  Traceback (most recent call last):
    File "/media/wd40/VirtEnv_py2.7_Ubu/virtenv/bin/ipython", line 8, in <module>
      load_entry_point('ipython==0.11', 'console_scripts', 'ipython')()
    File "/media/wd40/VirtEnv_py2.7_Ubu/virtenv/local/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/pkg_resources.py", line 318, in load_entry_point
    File "/media/wd40/VirtEnv_py2.7_Ubu/virtenv/local/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/pkg_resources.py", line 2221, in load_entry_point
    File "/media/wd40/VirtEnv_py2.7_Ubu/virtenv/local/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/pkg_resources.py", line 1954, in load
    File "/media/wd40/VirtEnv_py2.7_Ubu/virtenv/local/lib/python2.7/site-packages/ipython-0.11-py2.7.egg/IPython/__init__.py", line 43, in <module>
      from .config.loader import Config
    File "/media/wd40/VirtEnv_py2.7_Ubu/virtenv/local/lib/python2.7/site-packages/ipython-0.11-py2.7.egg/IPython/config/loader.py", line 26, in <module>
      from IPython.utils.path import filefind, get_ipython_dir
    File "/media/wd40/VirtEnv_py2.7_Ubu/virtenv/local/lib/python2.7/site-packages/ipython-0.11-py2.7.egg/IPython/utils/path.py", line 22, in <module>
      from IPython.utils import warn
    File "/media/wd40/VirtEnv_py2.7_Ubu/virtenv/local/lib/python2.7/site-packages/ipython-0.11-py2.7.egg/IPython/utils/warn.py", line 19, in <module>
      from IPython.utils import io
    File "/media/wd40/VirtEnv_py2.7_Ubu/virtenv/local/lib/python2.7/site-packages/ipython-0.11-py2.7.egg/IPython/utils/io.py", line 18, in <module>
      import tempfile
    File "/usr/lib/python2.7/tempfile.py", line 34, in <module>
      from random import Random as _Random
    File "/usr/lib/python2.7/random.py", line 47, in <module>
      from os import urandom as _urandom
  ImportError: cannot import name urandom

  No error in non-virtual environment 
  [~]:$ ipython
  Python 2.7.1+ (r271:86832, Sep 27 2012, 21:16:52) 
  Type "copyright", "credits" or "license" for more information.

  IPython 0.10.1 -- An enhanced Interactive Python.
  ?         -> Introduction and overview of IPython's features.
  %quickref -> Quick reference.
  help      -> Python's own help system.
  object?   -> Details about 'object'. ?object also works, ?? prints more.

  In [1]: 
  Do you really want to exit ([y]/n)? y
  [~]:$

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