Fix undefined variable names

Reported-by: Christian Clauss <cclauss@me.com>
Signed-off-by: Elijah Newren <newren@gmail.com>

git-filter-repo

@@ -3516,7 +3516,7 @@ class RepoFilter(object):
         contents = subproc.check_output(cmd)
       except subprocess.CalledProcessError as e: # pragma: no cover
         raise SystemExit(_("Failed loading %s from %s") %
-                         (decode(marks_basename), branch))
+                         (decode(marks_basename), full_branch))
     if contents:
       biggest_id = max(int(x.split()[0][1:]) for x in contents.splitlines())
       _IDS._next_id = max(_IDS._next_id, biggest_id+1)

t/t9391/erroneous.py

@@ -9,7 +9,7 @@ near the top of git-filter-repo
 import git_filter_repo as fr
 
 def handle_tag(tag):
-  print("Decipher this: "+''.join(reversed(progress.message)))
+  print("Tagger: "+''.join(tag.tagger_name))
 
 args = fr.FilteringOptions.parse_args(['--force', '--tag-callback', 'pass'])
 filter = fr.RepoFilter(args, tag_callback = handle_tag)