Replace __module__ with inspect.getmodule

Author: jb3

pydis_core/exts/source.py

@@ -85,7 +85,7 @@ async def _get_source_object(ctx: "commands.Context[Bot]", argument: str) -> tup
 
         cog = ctx.bot.get_cog(argument)
         if cog:
-            if cog.__module__.startswith("pydis_core.exts"):
+            if inspect.getmodule(cog).__name__.startswith("pydis_core.exts"):
                 return cog, _SourceType.core_cog
             return cog, _SourceType.cog