[Tutor] AttributeError:

[Charles McAndrews]

Whenever I try to type 'python' into the cmd prompt, it always gives me
this error:

Traceback (most recent call last):
  File "C:\Python27\lib\site.py", line 62, in <module>
    import os
  File "C:\Python27\lib\os.py", line 398, in <module>
    import UserDict
  File "C:\Python27\lib\UserDict.py", line 83, in <module>
    import _abcoll
  File "C:\Python27\lib\_abcoll.py", line 70, in <module>
    Iterable.register(str)
  File "C:\Python27\lib\abc.py", line 107, in register
    if not isinstance(subclass, (type, types.ClassType)):
AttributeError: 'module' object has no attribute 'ClassType'
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