Add packet/routes to pylint in ci

Fixes the pylint command introduced in 881dbc8, as well as a lint error
introduced in c10fd58.

Author: mxmeinhold

.github/workflows/python-app.yml

@@ -31,7 +31,7 @@ jobs:
           if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
       - name: Lint with pylint
         run: |
-          pylint packet
+          pylint packet/routes packet
 
   typecheck:
     runs-on: ubuntu-latest

packet/routes/api.py

@@ -210,8 +210,8 @@ def upperclassman_stats(uid):
 
 @app.route('/readiness')
 def readiness() -> tuple[str, int]:
-    '''A basic healthcheck. Returns 200 to indicate flask is running'''
-    return "ready", 200
+    """A basic healthcheck. Returns 200 to indicate flask is running"""
+    return 'ready', 200
 
 
 def commit_sig(packet, was_100, uid):