Fix tests with httpx 0.28.1

Author: dirkkul

integration/test_tenants.py

@@ -22,16 +22,18 @@
 from weaviate.exceptions import WeaviateInvalidInputError, WeaviateUnsupportedFeatureError
 
 
-def test_shards_on_tenants(client_factory: ClientFactory, collection_factory: CollectionFactory):
+def test_shards_on_tenants(
+    client_factory: ClientFactory, collection_factory: CollectionFactory
+) -> None:
     collection = collection_factory(
         vectorizer_config=Configure.Vectorizer.none(),
         multi_tenancy_config=Configure.multi_tenancy(enabled=True),
     )
     collection.tenants.create(Tenant(name="tenant1"))
     client = client_factory()
-    count = sum(
-        len(node.shards) for node in client.cluster.nodes(collection.name, output="verbose")
-    )
+
+    nodes = client.cluster.nodes(collection.name, output="verbose")
+    count = sum(len(node.shards) for node in nodes)
 
     assert count == 1
 

weaviate/connect/v4.py

@@ -568,7 +568,7 @@ async def get(
         return await self.__send(
             "GET",
             url=self.url + self._api_version_path + path,
-            params=params if params is not None else {},
+            params=params,
             error_msg=error_msg,
             status_codes=status_codes,
         )