diff --git a/pyproject.toml b/pyproject.toml
index 577719b..00130cb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,10 @@
 [build-system]
-requires = ["hatchling"]
+requires = ["hatchling>=1.9.1"]
 build-backend = "hatchling.build"
 
+[tool.hatch.build.targets.wheel]
+packages = ["twscrape"]
+
 [project]
 name = "twscrape"
 version = "0.9.0"
@@ -70,4 +73,4 @@ line-length = 99
 line-length = 99
 
 [tool.hatch.metadata]
-allow-direct-references = true
\ No newline at end of file
+allow-direct-references = true
diff --git a/twscrape/queue_client.py b/twscrape/queue_client.py
index 1391e1c..1210798 100644
--- a/twscrape/queue_client.py
+++ b/twscrape/queue_client.py
@@ -181,7 +181,7 @@ class QueueClient:
     async def get(self, url: str, params: ReqParams = None):
         return await self.req("GET", url, params=params)
 
-    async def req(self, method: str, url: str, params: ReqParams = None):
+    async def req(self, method: str, url: str, params: ReqParams = None) -> httpx.Response | None:
         retry_count = 0
         while True:
             ctx = await self._get_ctx()