我当时使用python和matplotlib，但是我的脚本崩溃了，所以我不得不关闭终端（Ubuntu
12.04，matplotib-1.1.0，python2.7）。现在，如果我尝试运行任何脚本，它都会崩溃

import matplotlib.pyplot as plt

有以下错误

Traceback (most recent call last):
  File "new.py", line 4, in <module>
    import matplotlib.pyplot as plt
  File "/usr/local/lib/python2.7/dist-packages/matplotlib-1.2.0-py2.7-linux-i686.egg/matplotlib/__init__.py", line 151, in <module>
    from matplotlib.rcsetup import (defaultParams,
  File "/usr/local/lib/python2.7/dist-packages/matplotlib-1.2.0-py2.7-linux-i686.egg/matplotlib/rcsetup.py", line 20, in <module>
    from matplotlib.colors import is_color_like
  File "/usr/local/lib/python2.7/dist-packages/matplotlib-1.2.0-py2.7-linux-i686.egg/matplotlib/colors.py", line 54, in <module>
    import matplotlib.cbook as cbook
  File "/usr/local/lib/python2.7/dist-packages/matplotlib-1.2.0-py2.7-linux-i686.egg/matplotlib/cbook.py", line 32, in <module>
    import new
  File "/home/federico/Documents/doc_uni/idraulica_ambientale/relazione/scripts/variabili/new.py", line 4, in <module>
    import matplotlib.pyplot as plt
  File "/usr/local/lib/python2.7/dist-packages/matplotlib-1.2.0-py2.7-linux-i686.egg/matplotlib/pyplot.py", line 23, in <module>
    from matplotlib import _pylab_helpers, interactive
ImportError: cannot import name interactive

注意最后一行。我尝试从源代码以及pip和easy_install中删除并重新安装matplotlib，但是我无法摆脱。如果我尝试从python解释器中导入，则会发生相同的错误。我还安装了1.2.0版，以查看是否可以运行，但不能。