class_docstr: Context manager base class for data module/loader implementations.
code: def __enter__(self):
      return self
  
file_path: horovod/horovod/spark/common/datamodule.py
imports: from abc import ABC, abstractmethod
label_desc: Use image node_id 2 for calling the DataModule obj's underlying member method code with example usage: obj.__enter__() and returns: self