Better error printing

jarvis/cogs/dev.py

@@ -302,7 +302,7 @@ class DevCog(commands.Cog):
 
     @commands.Cog.listener()
     async def on_command_error(self, ctx, error):
-        await ctx.send(str(error))
+        await ctx.send(f"```{traceback.format_exc()}```")
 
 
 def setup(bot):

jarvis/cogs/owner.py

@@ -81,7 +81,7 @@ class OwnerCog(commands.Cog):
             await ctx.send("I'm afraid I can't let you do that")
 
     @commands.group(name="system", hidden=True, pass_context=True)
-    @commands.check(user_is_bot_admin)
+    @user_is_bot_admin()
     async def _system(self, ctx):
         if ctx.invoked_subcommand is None:
             await ctx.send(