Fix PEP8 problems
Fix PEP8 problems

tests/check_public_api.py:26:80: E501 line too long (106 > 79 characters)
tests/check_public_api.py:116:63: E502 the backslash is redundant between brackets
tests/check_public_api.py:117:13: E127 continuation line over-indented for visual indent
tests/check_public_api.py:123:75: E502 the backslash is redundant between brackets
tests/check_public_api.py:124:13: E127 continuation line over-indented for visual indent
tests/check_public_api.py:131:1: W391 blank line at end of file

redhatrises/openscap,OpenSCAP/openscap,mpreisler/openscap,OpenSCAP/openscap,redhatrises/openscap,redhatrises/openscap,mpreisler/openscap,jan-cerny/openscap,mpreisler/openscap,jan-cerny/openscap,jan-cerny/openscap,mpreisler/openscap,redhatrises/openscap,redhatrises/openscap,mpreisler/openscap,jan-cerny/openscap,OpenSCAP/openscap,OpenSCAP/openscap,redhatrises/openscap,mpreisler/openscap,jan-cerny/openscap,jan-cerny/openscap,OpenSCAP/openscap,OpenSCAP/openscap