code: def test_zero_dim(self, dtype):
      for xp, scp in [(numpy, scipy), (cupy, cupyx.scipy)]:
          a = xp.array(0, dtype=dtype)
          with pytest.raises(IndexError):
              return scp.stats.trim_mean(a, 2 / 6.0)
  
imports: import numpy
  import pytest
  import cupy
  from cupy import testing
  import cupyx
  import cupyx.scipy.stats
label_desc: Use image node_id 2 for calling the TestTrim obj's underlying member method code with example usage: obj.test_zero_dim(dtype) and returns: scp