max results to 1000 if playlist_id is None (can be bumped up to more later)

yt_utils.py

@@ -17,7 +17,7 @@ def get_latest_video_id(channel_id, device_name=None, playlist_id=None):
       params = {
           'part': 'snippet',
           'channelId': CHANNEL_ID,
-          'maxResults': 50,
+          'maxResults': 1000,
           'key': YT_API_KEY
       }
       res = requests.get(url, params=params)