docstr: Returns a copy of Filter.
docstr_tok: ["Returns","a","copy","of","Filter","."]
code: def copy(self) -> "ConcurrentMeanStdFilter":
      """Returns a copy of Filter."""
      other = ConcurrentMeanStdFilter(self.shape)
      other.sync(self)
      return other
  
imports: import logging
  import threading
  import numpy
  import tree
  from ray.rllib.utils.annotations import DeveloperAPI
  from ray.rllib.utils.deprecation import Deprecated
  from ray.rllib.utils.numpy import SMALL_NUMBER
  from ray.rllib.utils.typing import TensorStructType
  from ray.rllib.utils.serialization import _serialize_ndarray, _deserialize_ndarray
  from ray.rllib.utils.deprecation import deprecation_warning
label_desc: Use image node_id 3 for calling the ConcurrentMeanStdFilter obj's underlying member method code with example usage: obj.copy() and returns: other