Whitespace before ')' (E202)

Closing parentheses should not have any whitespace before them.

Anti-pattern

with open('file.dat' ) as f:
    contents = f.read()

Best practice

with open('file.dat') as f:
    contents = f.read()

Additional links

• https://www.python.org/dev/peps/pep-0008/#pet-peeves