Update auth.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Signed-off-by: Zack Koppert <zkoppert@github.com>

Author: zkoppert

auth.py

@@ -94,8 +94,10 @@ def auth_to_github(
     elif token:
         github_connection = github3.login(token=token)
     else:
-        raise ValueError("GH_TOKEN or the set of [GH_APP_ID, GH_APP_INSTALLATION_ID, \
-                GH_APP_PRIVATE_KEY] environment variables are not set")
+        raise ValueError(
+            "GH_TOKEN or the set of [GH_APP_ID, GH_APP_INSTALLATION_ID, "
+            "GH_APP_PRIVATE_KEY] environment variables are not set"
+        )
 
     if not github_connection:
         raise ValueError("Unable to authenticate to GitHub")