set max conversation messages

vibe_bot/main.py

@@ -304,6 +304,8 @@ async def talkforme(ctx, *, message: str):
     Usage: !talkforme bot1 bot2 4 some conversation topic
     """
 
+    TALK_LIMIT = 20
+
     bot1_name, bot2_name, limit, topic_list = (
         message.split(" ")[0],
         message.split(" ")[1],
@@ -370,7 +372,7 @@ async def talkforme(ctx, *, message: str):
     current_user = flip_user(current_user)
     bot_counter = flip_counter(counter=bot_counter)
 
-    while message_counter < message_limit:
+    while message_counter < max(message_limit, TALK_LIMIT):
         current_bot = bot_list[bot_counter]
         logger.info(f"Current user is {current_user}")
         logger.info(f"Current bot is {current_bot}")