code: def _is_ndarray(data):
      """True if the array is an instance of numpy's ndarray"""
      return isinstance(data, np.ndarray)
  
file_path: impyute/impyute/ops/wrapper.py
imports: from functools import wraps
  import numpy
  from .None import error
  from .None import matrix
  from .None import util
label_desc: Use image node_id 8 for calling a global function with example usage: _is_ndarray(data) and returns: isinstance