code: def is_native_array(self, x):
      return isinstance(x, np.ndarray)
  
file_path: ivy/ivy_tests/test_ivy/test_frontends/config/sklearn/__init__.py
imports: from ..base import FrontendConfig, SupportedDeviecs, SupportedDtypes
  import numpy
label_desc: Use image node_id 4 for calling the SklearnFrontendConfig obj's underlying member method code with example usage: obj.is_native_array(x) and returns: isinstance