class_docstr: Scope object for bulk execution.
code: def __exit__(self, ptype, value, trace):
      set_bulk_size(self._old_size)
  
file_path: mxnet/python/mxnet/engine.py
imports: import ctypes
  from .base import _LIB, check_call
label_desc: Use image node_id 3 for calling the _BulkScope obj's underlying member method code with example usage: obj.__exit__(ptype, value, trace) without return types