I am trying to install python-magic for Windows and I have followed all the instructions in https://github.com/ahupp/python-magic and repeated the process several times but
The below original answer is now outdated. Please simply follow the instructions denoted under the "dependencies" section.
ORIGINAL ANSWER:
I was able to solve this problem by moving the 3 files from GNUWin32 project to a separate directory (not the \system32 directory the docs suggest) and adding them to the PATH environment variable