remove unused imports

Author: lyuwen

tests/integrations/test_stream.py

@@ -1,21 +1,9 @@
-import datetime
-import gc
 import hashlib
-import importlib
-import json
-import logging
 import os
-import signal
-from io import StringIO
-from unittest.mock import PropertyMock, patch
 
 import pytest
-from rich.console import Console
 
 from bespokelabs import curator
-from bespokelabs.curator.request_processor.event_loop import run_in_event_loop
-from bespokelabs.curator.types.generic_response import GenericRequest, GenericResponse
-from tests.integrations import helper
 
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