Merge pull request #8076 from AccelerationNet/develop

pip freeze output has comments sometimes: ignore them

salt/modules/pip.py

@@ -767,8 +767,9 @@ def list_(prefix=None,
         raise CommandExecutionError(result['stderr'])
 
     for line in result['stdout'].splitlines():
-        if line.startswith('-f'):
+        if line.startswith('-f') or line.startswith('#'):
             # ignore -f line as it contains --find-links directory
+            # ignore comment lines
             continue
         elif line.startswith('-e'):
             line = line.split('-e ')[1]