diff --git a/utils/github/backport.py b/utils/github/backport.py
index 576e3b069c2..7fddbbee241 100644
--- a/utils/github/backport.py
+++ b/utils/github/backport.py
@@ -62,7 +62,7 @@ class Backport:
         RE_NO_BACKPORT = re.compile(r'^v(\d+\.\d+)-no-backport$')
         RE_BACKPORTED = re.compile(r'^v(\d+\.\d+)-backported$')
 
-        # pull-requests are sorted by ancestry from the least recent.
+        # pull-requests are sorted by ancestry from the most recent.
         for pr in pull_requests:
             while repo.comparator(branches[-1][1]) >= repo.comparator(pr['mergeCommit']['oid']):
                 logging.info("PR #{} is already inside {}. Dropping this branch for further PRs".format(pr['number'], branches[-1][0]))
diff --git a/utils/github/local.py b/utils/github/local.py
index a997721bc76..2ad8d4b8b71 100644
--- a/utils/github/local.py
+++ b/utils/github/local.py
@@ -6,15 +6,15 @@ import os
 import re
 
 
-class RepositoryBase(object):
+class RepositoryBase:
     def __init__(self, repo_path):
         import git
 
         self._repo = git.Repo(repo_path, search_parent_directories=(not repo_path))
 
-        # commit comparator
+        # comparator of commits
         def cmp(x, y):
-            if x == y:
+            if str(x) == str(y):
                 return 0
             if self._repo.is_ancestor(x, y):
                 return -1