Update types.py

Author: BobTheBuidler

web3/types.py

@@ -68,6 +68,8 @@
 Gwei = NewType("Gwei", int)
 RequestFormatter = Callable[..., TReturn]
 RequestFormatters = Dict[RPCEndpoint, RequestFormatter[TReturn]]
+ResponseFormatter = Callable[[RPCResponse], TReturn]
+ResponseFormatters = Dict[RPCEndpoint, ResponseFormatter[TReturn]]
 
 
 class AccessListEntry(TypedDict):
@@ -309,9 +311,9 @@ class CreateAccessListResponse(TypedDict):
 
 
 class FormattersDict(TypedDict, total=False):
-    error_formatters: Optional[Formatters]
-    request_formatters: Optional[Formatters]
-    result_formatters: Optional[Formatters]
+    error_formatters: Optional[ResponseFormatters]
+    request_formatters: Optional[ResponseFormatters]
+    result_formatters: Optional[ResponseFormatters]
 
 
 class FilterParams(TypedDict, total=False):