code: def test_multi_dispatch_decorate_argnum_none(t1, t2):
      """Test decorating a standard numpy function for PennyLane, automatically dispatching all inputs by choosing argnum=None"""
  
      @fn.multi_dispatch(argnum=None, tensor_list=None)
      def tensordot(tensor1, tensor2, like, axes=None):
          return np.tensordot(tensor1, tensor2, axes=axes)
  
      assert fn.allequal(tensordot(t1, t2, axes=(0, 0)).numpy(), 14)
  
imports: import autoray
  import numpy
  import pytest
  import scipy
  from autoray import numpy
  from pennylane import math
  from pennylane import numpy
  from pennylane import grad
label_desc: Use image node_id 4 for calling a global function with example usage: test_multi_dispatch_decorate_argnum_none(t1, t2) and returns: np