style: Fix E731, E712, E501, F821, F401 flake8 issue in srxplanarconfig and trifffile.py#17

sbillinge merged 1 commit intodiffpy:migrationdiffpy/diffpy.srxplanar:migrationfrom

stevenhua0320:flake8-fix-5stevenhua0320/diffpy.srxplanar:flake8-fix-5Copy head branch name to clipboard