I'm using the latest version of win32com on Windows 7 and Python 3.6. import win32com.client working fine until recently. I'm now getting an UnpicklingError exception.
I've tried reinstalling the latest version globally as well as in a separate virtual environment.
In [1]: import win32com.client
---------------------------------------------------------------------------
UnpicklingError Traceback (most recent call last)
<ipython-input-1-acfbed532f32> in <module>()
----> 1 import win32com.client
C:\ProgramData\Anaconda3\lib\site-packages\win32com\client\__init__.py in <module>()
9 import pythoncom
10 from . import dynamic
---> 11 from . import gencache
12 import sys
13 import pywintypes
C:\ProgramData\Anaconda3\lib\site-packages\win32com\client\gencache.py in <module>()
658
659 # Boot up
--> 660 __init__()
661
662 def usage():
C:\ProgramData\Anaconda3\lib\site-packages\win32com\client\gencache.py in __init__()
58 # Initialize the module. Called once explicitly at module import below
59 try:
---> 60 _LoadDicts()
61 except IOError:
62 Rebuild()
C:\ProgramData\Anaconda3\lib\site-packages\win32com\client\gencache.py in _LoadDicts()
111 try:
112 p = pickle.Unpickler(f)
--> 113 version = p.load()
114 global clsidToTypelib
115 clsidToTypelib = p.load()
UnpicklingError: invalid load key, '\x00'.