Use pylint output as base. Pay special attention to missing docstrings and invalid name errors, to improve readability and own understanding of code.
************* Module mypypong.pong
C: 10, 0: Missing class docstring (missing-docstring)
C: 15, 4: Missing method docstring (missing-docstring)
C: 18, 4: Invalid argument name "x" (invalid-name)
C: 18, 4: Invalid argument name "y" (invalid-name)
C: 18, 4: Missing method docstring (missing-docstring)
C: 21, 4: Missing method docstring (missing-docstring)
C: 25, 0: Missing class docstring (missing-docstring)
C: 35, 4: Missing method docstring (missing-docstring)
C: 42, 8: Invalid variable name "x" (invalid-name)
C: 43, 8: Invalid variable name "y" (invalid-name)
C: 46, 4: Missing method docstring (missing-docstring)
C: 48, 8: Invalid variable name "x" (invalid-name)
C: 66, 0: Missing class docstring (missing-docstring)
C: 78, 4: Missing method docstring (missing-docstring)
W: 81, 4: Parameters differ from overridden 'move' method (arguments-differ)
C: 90, 0: Missing class docstring (missing-docstring)
C:105, 4: Missing method docstring (missing-docstring)
C:114, 0: Missing class docstring (missing-docstring)
R:114, 0: Too many ancestors (8/7) (too-many-ancestors)
R:114, 0: Too many instance attributes (9/7) (too-many-instance-attributes)
C:130,12: Invalid variable name "x" (invalid-name)
C:143, 4: Missing method docstring (missing-docstring)
C:150, 4: Missing method docstring (missing-docstring)
C:154, 8: Invalid variable name "x" (invalid-name)
C:158, 4: Invalid argument name "x" (invalid-name)
C:158, 4: Invalid argument name "y" (invalid-name)
C:158, 4: Missing method docstring (missing-docstring)
C:162, 4: Invalid argument name "x" (invalid-name)
C:162, 4: Invalid argument name "y" (invalid-name)
C:162, 4: Missing method docstring (missing-docstring)
C:167, 4: Missing method docstring (missing-docstring)
C:174, 4: Missing method docstring (missing-docstring)
C:180, 4: Missing method docstring (missing-docstring)
C:197, 4: Missing method docstring (missing-docstring)
C:206, 4: Invalid constant name "root" (invalid-name)
C:208, 4: Invalid constant name "game" (invalid-name)