just dont give it a type?

app/modules/msc_getter.py

@@ -125,10 +125,9 @@ class MSCGetter(niobot.Module):
     async def msc(
             self,
             ctx: niobot.Context,
-            number_or_query: str
+            number_or_query
     ):
         """Fetches the given MSC"""
-        number_or_query: str
         if number_or_query.startswith("?"):  # search
             msg = await ctx.respond("Searching for relevant MSCs with query %r..." % number_or_query[1:])
             results = await self.search_for_msc(number_or_query[1:])