No importlib in Python 3 64 bit ?

[MRAB]

On 2017-09-06 14:00, Chris Angelico wrote:
> On Wed, Sep 6, 2017 at 10:41 PM, Andrej Viktorovich
> <viktorovichandrej at gmail.com> wrote:
>> Hello,
>>
>> I have 32Bit and 64Bit installations on my Windows 10 machine. I do import importlib in both of them.
>>
>> 32bit works fine while 64bit prints error:
>>
>>>>> import importlib
>> Traceback (most recent call last):
>>   File "<stdin>", line 1, in <module>
>>   File "C:\Users\me\AppData\Local\Programs\Python\Python36-32\Lib\importlib\__init__.py", line 57, in <module>
>>     import types
>>   File "C:\Users\me\AppData\Local\Programs\Python\Python36-32\Lib\types.py", line 171, in <module>
>>     import functools as _functools
>>   File "C:\Users\me\AppData\Local\Programs\Python\Python36-32\Lib\functools.py", line 23, in <module>
>>     from weakref import WeakKeyDictionary
>>   File "C:\Users\me\AppData\Local\Programs\Python\Python36-32\Lib\weakref.py", line 12, in <module>
>>     from _weakref import (
>> ImportError: cannot import name '_remove_dead_weakref'
> 
> It appears that your 64-bit binary is trying to load up the libraries
> from the 32-bit installation. How did you go about installing each
> one?
> 
> I'm not 100% sure, but I think that having two different versions of
> CPython X.Y isn't supported on Windows.
> 
I have both 64-bit and 32-bit Python 3.6 installed on Windows 10, as 
well as older versions. They all work without a problem.