code: def _unbiased_np_wrapper(f):
      def _unbiased_func(a, axis=None, dtype=None, keepdims=None):
          return f(a, axis=axis, dtype=dtype, ddof=1, keepdims=keepdims)
  
      return _unbiased_func
  
imports: import sys
  import numpy
  import numpy.random
  import pytest
  import tvm
  import tvm.testing
  import tvm.topi.testing
  from tvm import relay, te
  from tvm.relay import transform
  from tvm.relay.testing import run_infer_type
label_desc: Use image node_id 9 for calling a global function with example usage: _unbiased_np_wrapper(f) and returns: _unbiased_func, f