code: def test_reduce_KernelPCA():
      reduced_data_3d = reducer(data, reduce="KernelPCA", ndims=3)
      assert reduced_data_3d[0].shape == (10, 3)
  
imports: import numpy
  from hypertools.tools.reduce import reduce
  from hypertools.plot.plot import plot
label_desc: Use image node_id 11 for calling a global function with example usage: test_reduce_KernelPCA() without return types