code: def _skip_float16_bug():
      if _np_einsum_float16_bug:
          raise unittest.SkipTest(
              "float16 is not supported. See numpy issue #10899."
          )
  
imports: import unittest
  import numpy
  import chainer
  from chainer.backends import cuda
  from chainer.functions.math import einsum
  from chainer import gradient_check
  from chainer import testing
  from chainer.testing import attr
  from chainer import utils
label_desc: Use image node_id 3 for calling a global function with example usage: _skip_float16_bug() without return types