fix(incremental): fix paths for subsequent async stream items

Replicates graphql/graphql-js@c6ebbf4

Author: Cito

src/graphql/execution/execute.py

@@ -1881,7 +1881,7 @@ def executor() -> AwaitableOrValue[StreamItemResult]:
             return self.get_next_async_stream_item_result(
                 stream_item_queue,
                 stream_path,
-                index,
+                index + 1,
                 async_iterator,
                 field_group,
                 info,

src/graphql/execution/incremental_graph.py

@@ -280,7 +280,6 @@ async def _on_stream_items(self, stream_record: StreamRecord) -> None:
         """Handle stream items."""
         enqueue = self._enqueue
         items: list[Any] = []
-        append_item = items.append
         errors: list[GraphQLError] = []
         incremental_data_records: list[IncrementalDataRecord] = []
         stream_item_queue = stream_record.stream_item_queue
@@ -319,7 +318,7 @@ async def _on_stream_items(self, stream_record: StreamRecord) -> None:
                     )
                 enqueue(StreamItemsResult(stream_record, errors=result.errors or None))
                 return
-            append_item(result.item)
+            items.append(result.item)
             if result.errors:
                 errors.extend(result.errors)
             if result.incremental_data_records:

tests/execution/test_lists.py

@@ -204,7 +204,7 @@ async def __anext__(self):
             None,
         )
 
-    @pytest.mark.filterwarnings("ignore:.* was never awaited:RuntimeWarning")
+    @pytest.mark.filterwarnings("ignore:coroutine .* was never awaited:RuntimeWarning")
     async def can_customize_detection_of_async_iterables():
         class CustomIterable:
             """An object that is both an iterable and an async iterable."""
@@ -288,7 +288,7 @@ async def list_field():
             ],
         )
 
-    @pytest.mark.filterwarnings("ignore:.* was never awaited:RuntimeWarning")
+    @pytest.mark.filterwarnings("ignore:coroutine .* was never awaited:RuntimeWarning")
     async def handles_errors_from_complete_value_in_async_iterables():
         async def list_field():
             yield "two"