fix(bot.py, dota.py): 修复 opendota 接口返回时间太长导致 discord 报错的问题；修改 Match.party_size 为 nullable

修复 opendota 接口返回时间太长导致 discord 报错的问题；修改 Match.party_size 为 nullable

Signed-off-by: Ching <loooching@gmail.com>

discord_bot.py

@@ -42,6 +42,7 @@ async def send_message(channel):
 
 @bot.command(description="获取最近战绩", name='recent_matches') # this decorator makes a slash command
 async def get_friends_recent_matches(ctx, name, match_count=5): # a slash command will be created with the name "ping"
+  await ctx.defer()
   logger.info(f"get_friends_recent_matches {name} {match_count}")
   friends = dota.Friend.filter(name=name)
   match_count = int(match_count)

dota.py

@@ -49,7 +49,7 @@ class Match(BaseModel):
   start_time = peewee.DateTimeField()
   duration = peewee.IntegerField()
   radiant_win = peewee.BooleanField()
-  party_size = peewee.IntegerField()
+  party_size = peewee.IntegerField(null=True)
 
   def serialize_match(self):
     try: