chore: fix flake8 errors

Signed-off-by: Robert Minsk <robertminsk@yahoo.com>

Author: cfxegbert

src/rez/utils/filesystem.py

@@ -756,4 +756,3 @@ def real_path(path):
     if is_windows and not config.windows_unc_path:
         return os.path.abspath(path)
     return os.path.realpath(path)
-