pyinstaller creating EXE RuntimeError: maximum recursion depth exceeded while calling a Python object

This worked for me

1. Run pyinstaller and stop it to generate the spec file :

   pyinstaller filename.py
   

   A file with .spec as extension should be generated

2. Now add the following lines to the beginning of the spec file :

   import sys
   sys.setrecursionlimit(5000)
   

3. Now run the spec file using :

   pyinstaller filename.spec