feat: optimize with iterators

Author: BobTheBuidler

Diff for: web3/_utils/method_formatters.py

@@ -7,6 +7,7 @@
     Collection,
     Dict,
     Iterable,
+    Iterator,
     NoReturn,
     Tuple,
     TypeVar,
@@ -35,7 +36,6 @@
     is_string,
     to_checksum_address,
     to_list,
-    to_tuple,
 )
 from eth_utils.toolz import (
     complement,
@@ -1048,11 +1048,10 @@ def subscription_formatter(value: Any) -> Union[HexBytes, HexStr, Dict[str, Any]
 }
 
 
-@to_tuple
 def combine_formatters(
     formatter_maps: Collection[Dict[RPCEndpoint, Callable[..., TReturn]]],
     method_name: RPCEndpoint,
-) -> Iterable[Callable[..., TReturn]]:
+) -> Iterator[Callable[..., TReturn]]:
     for formatter_map in formatter_maps:
         if method_name in formatter_map:
             yield formatter_map[method_name]
@@ -1190,12 +1189,11 @@ def filter_wrapper(
 }
 
 
-@to_tuple
 def apply_module_to_formatters(
     formatters: Iterable[Callable[..., TReturn]],
     module: "Module",
     method_name: Union[RPCEndpoint, Callable[..., RPCEndpoint]],
-) -> Iterable[Callable[..., TReturn]]:
+) -> Iterator[Callable[..., TReturn]]:
     for f in formatters:
         yield partial(f, module, method_name)