diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 56c0ffe..83812a3 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -1,6 +1,6 @@
 name: "CodeQL analysis"
 
-on: [push, pull_request]
+on: [pull_request]
 
 jobs:
   build:
diff --git a/githubapp/okta.py b/githubapp/okta.py
index 1360e41..df4bc5a 100644
--- a/githubapp/okta.py
+++ b/githubapp/okta.py
@@ -69,7 +69,7 @@ def get_or_create_eventloop():
             try:
                 username = getattr(user.profile, self.USERNAME_ATTRIBUTE)
                 username = username.split("@")[0]
-                username = re.sub('[^0-9a-zA-Z-]+', '-', username)
+                username = re.sub("[^0-9a-zA-Z-]+", "-", username)
                 member_list.append(
                     {
                         "username": username,