Do as kennytm says because I don't know this strange language =P

Author: Centril

homu/parse_issue_comment.py

@@ -1,11 +1,6 @@
 from itertools import chain
 import re
 
-def strip_at_prefix(input):
-    if input.startswith("@"):
-        return input[1:]
-    return input
-
 class IssueCommentCommand:
     """
     A command that has been parsed out of a GitHub issue comment.
@@ -20,7 +15,7 @@ def __init__(self, action):
     def approve(cls, approver, commit):
         command = cls('approve')
         command.commit = commit
-        command.actor = strip_at_prefix(approver)
+        command.actor = approver.lstrip('@')
         return command
 
     @classmethod