code: def test_boolean_set_uncons(self, float_frame):
      float_frame["E"] = 7.0
  
      expected = float_frame.values.copy()
      expected[expected > 1] = 2
  
      float_frame[float_frame > 1] = 2
      tm.assert_almost_equal(expected, float_frame.values)
  
imports: from datetime import datetime, timedelta
  import itertools
  import numpy
  import pytest
  from pandas.errors import PerformanceWarning
  import pandas
  from pandas import Categorical, DataFrame, Series, Timestamp, date_range, option_context
  import pandas._testing
  from pandas.core.internals.blocks import NumpyBlock
label_desc: Use image node_id 6 for calling the TestDataFrameBlockInternals obj's underlying member method code with example usage: obj.test_boolean_set_uncons(float_frame) without return types