Have pre-existing C files use 8 spaces indents (to match old PEP 7 style), but have all new files use 4 spaces (to match current PEP 7 style).
Have pre-existing C files use 8 spaces indents (to match old PEP 7 style), but
have all new files use 4 spaces (to match current PEP 7 style).

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator