chore: fix mypy error (wut?)

Author: BobTheBuidler

web3/module.py

@@ -185,6 +185,14 @@ async def caller(
 class Module:
     is_async = False
 
+    @overload
+    def __init__(self, w3: "AsyncWeb3") -> None:
+        ...
+
+    @overload
+    def __init__(self, w3: "Web3") -> None:
+        ...
+    
     def __init__(self, w3: Union["AsyncWeb3", "Web3"]) -> None:
         if self.is_async:
             self.retrieve_caller_fn = retrieve_async_method_call_fn(w3, self)