diff --git a/.github/workflows/reviewdog.yml b/.github/workflows/reviewdog.yml
index 14d8a71..1e4d8b2 100644
--- a/.github/workflows/reviewdog.yml
+++ b/.github/workflows/reviewdog.yml
@@ -15,7 +15,7 @@ jobs:
           python-version: 3.8
 
       - name: Install flake8
-        run: pip3 install -r flake8
+        run: pip3 install flake8
 
       - name: Set up reviewdog
         run: |
@@ -30,6 +30,6 @@ jobs:
           REVIEWDOG_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           set -o pipefail
-          flake8 --docstring-convention=all | \
+          flake8 | \
             reviewdog -f=pep8 -name=flake8 \
               -tee -reporter=github-check -filter-mode nofilter
diff --git a/test_cycler.py b/test_cycler.py
index 8b32dd0..e78c0c8 100644
--- a/test_cycler.py
+++ b/test_cycler.py
@@ -11,8 +11,8 @@
 
 if sys.version_info < (3,):
     from itertools import izip as zip
-    range = xrange
-    str = unicode
+    range = xrange  # noqa
+    str = unicode  # noqa
 
 
 def _cycler_helper(c, length, keys, values):