Fix mypy complaints

Author: adamnsch

python-wrapper/tests/conftest.py

@@ -43,7 +43,9 @@ def aura_ds_instance() -> Generator[Any, None, None]:
 
     # setting as environment variables to run notebooks with this connection
     os.environ["NEO4J_URI"] = dbms_connection_info.uri
+    assert isinstance(dbms_connection_info.username, str)
     os.environ["NEO4J_USER"] = dbms_connection_info.username
+    assert isinstance(dbms_connection_info.password, str)
     os.environ["NEO4J_PASSWORD"] = dbms_connection_info.password
     yield dbms_connection_info
 

python-wrapper/tests/gds_helper.py

@@ -62,8 +62,6 @@ def create_aurads_instance(api: AuraApi) -> tuple[str, DbmsConnectionInfo]:
     if wait_result.error:
         raise Exception(f"Error while waiting for instance to be running: {wait_result.error}")
 
-    wait_result.connection_url
-
     return instance_details.id, DbmsConnectionInfo(
         uri=wait_result.connection_url,
         username="neo4j",