code: def test_arr_weights_mismatch(self):
      a = np.arange(10) + 0.5
      w = np.arange(11) + 0.5
      with assert_raises_regex(ValueError, "same shape as"):
          h, b = histogram(a, range=[1, 9], weights=w, density=True)
  
imports: import numpy
  from numpy.lib.histograms import histogram, histogramdd, histogram_bin_edges
  from numpy.testing import assert_, assert_equal, assert_array_equal, assert_almost_equal, assert_array_almost_equal, assert_raises, assert_allclose, assert_array_max_ulp, assert_raises_regex, suppress_warnings
  from numpy.testing._private.utils import requires_memory
  import pytest
label_desc: Use image node_id 7 for calling the TestHistogram obj's underlying member method code with example usage: obj.test_arr_weights_mismatch() without return types