docs: def connect(self, database, timezone=None, cache_size=0, auto_ensure=True, replica_set=None, *args, **kwds):
  		''' `connect` is a thin wrapper around __init__ which creates the
  			database connection that the session will use.
  
  			:param database: the database name to use.  Should be an instance of \
  					:class:`basestring`
  			:param safe: The value for the "safe" parameter of the Session \
  				init function
  			:param auto_ensure: Whether to implicitly call ensure_indexes on all write \
  				operations.
  			:param replica_set: The replica-set to use (as a string). If specified, \
  				:class:`pymongo.mongo_replica_set_client.MongoReplicaSetClient` is used \
  				instead of :class:`pymongo.mongo_client.MongoClient`
  			:param args: arguments for :class:`pymongo.mongo_client.MongoClient`
  			:param kwds: keyword arguments for :class:`pymongo.mongo_client.MongoClient`
  		'''
  		safe = kwds.get('safe', False)
  		if 'safe' in kwds:
  			del kwds['safe']
  		if timezone is not None:
  			kwds['tz_aware'] = True
  
  		if replica_set is not None:
  			if 'MongoReplicaSetClient' in globals():
  				conn = MongoReplicaSetClient(*args, replicaSet=replica_set, **kwds)
  			else: # pragma: no cover
  				conn = MongoClient(*args, replicaSet=replica_set, **kwds)
  		else:
  			conn = MongoClient(*args, **kwds)
  
  		db = conn[database]
  		return Session(db, timezone=timezone, safe=safe, cache_size=cache_size, auto_ensure=auto_ensure)