code: def test_s3_logging():
      # all s3 requests need to be in one test function
      # since we are modifying stdout, and pytests runs tests in parallel
      # on circle ci - we only test litellm.acompletion()
      try:
          # redirect stdout to log_file
          litellm.cache = litellm.Cache(
              type="s3",
              s3_bucket_name="cache-bucket-litellm",
              s3_region_name="us-west-2",
          )
  
          litellm.success_callback = ["s3"]
          litellm.s3_callback_params = {
              "s3_bucket_name": "litellm-logs",
              "s3_aws_secret_access_key": "os.environ/AWS_SECRET_ACCESS_KEY",
              "s3_aws_access_key_id": "os.environ/AWS_ACCESS_KEY_ID",
          }
          litellm.set_verbose = True
  
          print("Testing async s3 logging")
  
          expected_keys = []
  
          import time
  
          curr_time = str(time.time())
  
          async def _test():
              return await litellm.acompletion(
                  model="gpt-3.5-turbo",
                  messages=[
                      {
                          "role": "user",
                          "content": f"This is a test {curr_time}",
                      }
                  ],
                  max_tokens=10,
                  temperature=0.7,
                  user="ishaan-2",
              )
  
          response = asyncio.run(_test())
          print(f"response: {response}")
          expected_keys.append(response.id)
  
          async def _test():
              return await litellm.acompletion(
                  model="gpt-3.5-turbo",
                  messages=[
                      {
                          "role": "user",
                          "content": f"This is a test {curr_time}",
                      }
                  ],
                  max_tokens=10,
                  temperature=0.7,
                  user="ishaan-2",
              )
  
          response = asyncio.run(_test())
          expected_keys.append(response.id)
          print(f"response: {response}")
  
          import boto3
  
          s3 = boto3.client("s3")
          bucket_name = "litellm-logs"
          # List objects in the bucket
          response = s3.list_objects(Bucket=bucket_name)
  
          # Sort the objects based on the LastModified timestamp
          objects = sorted(
              response["Contents"],
              key=lambda x: x["LastModified"],
              reverse=True,
          )
          # Get the keys of the most recent objects
          most_recent_keys = [obj["Key"] for obj in objects]
          print(most_recent_keys)
          # for each key, get the part before "-" as the key. Do it safely
          cleaned_keys = []
          for key in most_recent_keys:
              split_key = key.split("-time=")
              cleaned_keys.append(split_key[0])
          print("\n most recent keys", most_recent_keys)
          print("\n cleaned keys", cleaned_keys)
          print("\n Expected keys: ", expected_keys)
          matches = 0
          for key in expected_keys:
              assert key in cleaned_keys
  
              if key in cleaned_keys:
                  matches += 1
                  # remove the match key
                  cleaned_keys.remove(key)
          # this asserts we log, the first request + the 2nd cached request
          print("we had two matches ! passed ", matches)
          assert matches == 2
          try:
              # cleanup s3 bucket in test
              for key in most_recent_keys:
                  s3.delete_object(Bucket=bucket_name, Key=key)
          except:
              # don't let cleanup fail a test
              pass
      except Exception as e:
          pytest.fail(f"An exception occurred - {e}")
      finally:
          # post, close log file and verify
          # Reset stdout to the original value
          print("Passed! Testing async s3 logging")
  
file_path: litellm/litellm/tests/test_s3_logs.py
imports: import sys
  import os
  import io, asyncio
  from litellm import completion
  import litellm
  import time, random
  import pytest
label_desc: Use image node_id 1 for calling a global function with example usage: test_s3_logging() and returns: unknown, unknown