code: def _set_np_symbol_class(cls):
      """Set the numpy-compatible symbolic class to be cls"""
      global _np_symbol_cls
      _np_symbol_cls = cls
  
file_path: mxnet/python/mxnet/_ctypes/symbol.py
imports: import ctypes
  from ..base import _LIB
  from ..base import c_str_array, c_handle_array, c_str, mx_uint
  from ..base import SymbolHandle
  from ..base import check_call
label_desc: Use image node_id 2 for calling a global function with example usage: _set_np_symbol_class(cls) without return types