diff --git a/tests/adapters/interpreters/wrappers/test_joining_interpreter.py b/tests/adapters/interpreters/wrappers/test_joining_interpreter.py
index 38382b371..02f88a98a 100644
--- a/tests/adapters/interpreters/wrappers/test_joining_interpreter.py
+++ b/tests/adapters/interpreters/wrappers/test_joining_interpreter.py
@@ -1,3 +1,5 @@
+from typing import AnyStr, AsyncIterable, List
+
 import pytest
 from mock import AsyncMock
 
@@ -5,8 +7,8 @@
 
 
 @pytest.mark.asyncio
-async def test_joining_interpreterconcatenates_as_expected():
-    async def multi_resp(msgs):
+async def test_joining_interpreter_concatenates_as_expected():
+    async def multi_resp(msgs: List[AnyStr]) -> AsyncIterable[AnyStr]:
         for msg in msgs:
             yield msg
 
diff --git a/tickit/adapters/interpreters/wrappers/joining_interpreter.py b/tickit/adapters/interpreters/wrappers/joining_interpreter.py
index 61bad33dc..af4b7320f 100644
--- a/tickit/adapters/interpreters/wrappers/joining_interpreter.py
+++ b/tickit/adapters/interpreters/wrappers/joining_interpreter.py
@@ -50,8 +50,7 @@ async def _combine_responses(
         """
         response_list = [response async for response in responses]
         response = self.response_delimiter.join(response_list)
-        resp = wrap_as_async_iterable(response)
-        return resp
+        return wrap_as_async_iterable(response)
 
     async def handle(
         self, adapter: Adapter, message: AnyStr