code: def mongo_obs_with_collection():
      # old, deprecated way of creating a mongo observer
      # should use 'my_collection' for runs and 'metrics' for metrics
      real_client = pymongo.MongoClient()
      return MongoObserver(
          client=real_client, collection="my_collection"
      )
  
imports: import datetime
  import os
  import sys
  from glob import glob
  import mock
  import pytest
  from sacred.metrics_logger import ScalarMetricLogEntry, linearize_metrics
  import gridfs
  from mongomock.gridfs import enable_gridfs_integration
  from .failing_mongo_mock import FailingMongoClient
  from sacred.dependencies import get_digest
  from sacred.observers.mongo import MongoObserver, force_bson_encodeable
label_desc: Use image node_id 7 for calling a global function with example usage: mongo_obs_with_collection() and returns: MongoObserver