Documentation and cleanup

telegram_stats_bot/main.py

@@ -173,7 +173,14 @@ def print_stats(update: Update, context: CallbackContext):
         context.bot.send_photo(chat_id=update.effective_chat.id, photo=image)
 
 
-def send_help(text, context, update):
+def send_help(text: str, context: CallbackContext, update: Update):
+    """
+    Send help text to user. Tries to send a direct message if possible.
+    :param text: text to send
+    :param context:
+    :param update:
+    :return:
+    """
     try:
         context.bot.send_message(chat_id=update.effective_user.id,
                                  text=f"```\n{text}\n```",

telegram_stats_bot/stats.py

@@ -139,7 +139,6 @@ class StatsRunner(object):
         :param n: Number of users to show
         :param start: Start timestamp (e.g. 2019, 2019-01, 2019-01-01, "2019-01-01 14:21")
         :param end: End timestamp (e.g. 2019, 2019-01, 2019-01-01, "2019-01-01 14:21")
-        :return:
         """
         date_query = None
         sql_dict = {}