Fix linting

src/crewai/llm.py

@@ -12,7 +12,6 @@ from dotenv import load_dotenv
 with warnings.catch_warnings():
     warnings.simplefilter("ignore", UserWarning)
     import litellm
-    from litellm import get_supported_openai_params
     from litellm import Choices, get_supported_openai_params
     from litellm.types.utils import ModelResponse
 

src/crewai/task.py

@@ -2,14 +2,12 @@ import datetime
 import inspect
 import json
 import logging
-import sys
 import threading
 import uuid
 from concurrent.futures import Future
 from copy import copy
 from hashlib import md5
 from pathlib import Path
-from string import Formatter
 from typing import (
     Any,
     Callable,