Polish and more checks during configuration

cogs/audio.py

@@ -245,7 +245,7 @@ class Audio:
         self.current = -1
         self.music_player.stop()
         await asyncio.sleep(1)
-        await self.bot.voice.disconnect()
+        if self.bot.voice: await self.bot.voice.disconnect()
 
     @commands.command(name="queue", pass_context=True, no_pm=True) #check that author is in the same channel as the bot
     async def _queue(self, ctx, link : str=None):

cogs/trivia.py

@@ -19,7 +19,8 @@ class Trivia:
     async def trivia(self, ctx, list_name : str=None):
         """Start a trivia session with the specified list
 
-        Stop parameter will end the current session
+        trivia stop - Ends the current session
+        trivia - Shows trivia lists
         """
         message = ctx.message
         if list_name == None:

red.py

@@ -341,10 +341,12 @@ def check_configs():
         settings["PASSWORD"] = input("\nPassword> ")
 
         if not settings["EMAIL"] or not settings["PASSWORD"]:
-            raise("Email and password cannot be empty.")
+            input("Email and password cannot be empty. Restart Red and repeat the configuration process.")
+            exit(1)
 
         if "@" not in settings["EMAIL"]:
-            raise("Your email is invalid.")
+            input("You didn't enter a valid email. Restart Red and repeat the configuration process.")
+            exit(1)
         
         print("\nChoose a prefix (or multiple ones, one at once) for the commands. Type exit when you're done. Example prefix: !")
         settings["PREFIXES"] = []
@@ -358,6 +360,9 @@ def check_configs():
         print("If you want, you can also do it later with [prefix]set owner. Leave empty in that case.")
         settings["OWNER"] = input("\nID> ")
         if settings["OWNER"] == "": settings["OWNER"] = "id_here"
+        if not settings["OWNER"].isdigit() and settings["OWNER"] != "id_here":
+            print("\nERROR: What you entered is not a valid ID. Set yourself as owner later with [prefix]set owner")
+            settings["OWNER"] = "id_here"
 
         print("\nInput the admin role's name. Anyone with this role will be able to use the bot's admin commands")
         print("Leave blank for default name (Transistor)")