From the Python 3.8 doc: The function time.clock() has been removed, after having been deprecated since Python 3.3: use time.perf_counter() or time.process_time() instead, depending on your requirements, to have well-defined behavior. (Contributed by Matthias Bussonnier in bpo-36895.)
Your indentation is goofed, and you’ve mixed tabs and spaces. Run the script with python -tt to verify.
NoneType means that instead of an instance of whatever Class or Object you think you’re working with, you’ve actually got None. That usually means that an assignment or function call up above failed or returned an unexpected result.
You have mutual top-level imports, which is almost always a bad idea. If you really must have mutual imports in Python, the way to do it is to import them within a function: # In b.py: def cause_a_to_do_something(): import a a.do_something() Now a.py can safely do import b without causing problems. (At first glance it … Read more
It’s because your enum is not the standard library enum module. You probably have the package enum34 installed. One way check if this is the case is to inspect the property enum.__file__ import enum print(enum.__file__) # standard library location should be something like # /usr/local/lib/python3.6/enum.py Since python 3.6 the enum34 library is no longer compatible … Read more
There are two basic problems you are running into here: __xxx__ methods are only looked up on the class TypeError: can’t set attributes of built-in/extension type ‘module’ (1) means any solution would have to also keep track of which module was being examined, otherwise every module would then have the instance-substitution behavior; and (2) means … Read more