(code quality) run ruff rule to ban unused imports (#7313)

* remove unused imports

* fix AmazonConverseConfig

* fix test

* fix import

* ruff check fixes

* test fixes

* fix testing

* fix imports

cookbook/litellm_router_load_test/memory_usage/router_endpoint.py

@@ -1,14 +1,9 @@
 from fastapi import FastAPI
 import uvicorn
-from memory_profiler import profile, memory_usage
+from memory_profiler import profile
 import os
-import traceback
-import asyncio
-import pytest
 import litellm
 from litellm import Router
-from concurrent.futures import ThreadPoolExecutor
-from collections import defaultdict
 from dotenv import load_dotenv
 import uuid
 

cookbook/litellm_router_load_test/memory_usage/router_memory_usage copy.py

@@ -1,17 +1,16 @@
 #### What this tests ####
 
-from memory_profiler import profile, memory_usage
-import sys, os, time
-import traceback, asyncio
-import pytest
+from memory_profiler import profile
+import sys
+import os
+import time
+import asyncio
 
 sys.path.insert(
     0, os.path.abspath("../..")
 )  # Adds the parent directory to the system path
 import litellm
 from litellm import Router
-from concurrent.futures import ThreadPoolExecutor
-from collections import defaultdict
 from dotenv import load_dotenv
 import uuid
 

cookbook/litellm_router_load_test/memory_usage/router_memory_usage.py

@@ -1,17 +1,16 @@
 #### What this tests ####
 
-from memory_profiler import profile, memory_usage
-import sys, os, time
-import traceback, asyncio
-import pytest
+from memory_profiler import profile
+import sys
+import os
+import time
+import asyncio
 
 sys.path.insert(
     0, os.path.abspath("../..")
 )  # Adds the parent directory to the system path
 import litellm
 from litellm import Router
-from concurrent.futures import ThreadPoolExecutor
-from collections import defaultdict
 from dotenv import load_dotenv
 import uuid
 

cookbook/litellm_router_load_test/test_loadtest_openai_client.py

@@ -1,17 +1,14 @@
-import sys, os
-import traceback
+import sys
+import os
 from dotenv import load_dotenv
-import copy
 
 load_dotenv()
 sys.path.insert(
     0, os.path.abspath("../..")
 )  # Adds the parent directory to the system path
 import asyncio
-from litellm import Router, Timeout
+from litellm import Timeout
 import time
-from litellm.caching.caching import Cache
-import litellm
 import openai
 
 ### Test just calling AsyncAzureOpenAI

cookbook/litellm_router_load_test/test_loadtest_router.py

@@ -1,7 +1,6 @@
-import sys, os
-import traceback
+import sys
+import os
 from dotenv import load_dotenv
-import copy
 
 load_dotenv()
 sys.path.insert(

cookbook/litellm_router_load_test/test_loadtest_router_withs3_cache.py

@@ -1,7 +1,6 @@
-import sys, os
-import traceback
+import sys
+import os
 from dotenv import load_dotenv
-import copy
 
 load_dotenv()
 sys.path.insert(