code: def test_constructor_int_dtype_float(self, any_int_numpy_dtype):
      # GH#18400
      expected = Index([0, 1, 2, 3], dtype=any_int_numpy_dtype)
      result = Index([0.0, 1.0, 2.0, 3.0], dtype=any_int_numpy_dtype)
      tm.assert_index_equal(result, expected)
  
imports: from datetime import datetime, timedelta, timezone
  from decimal import Decimal
  import numpy
  import pytest
  from pandas._libs.tslibs.timezones import maybe_get_tz
  from pandas import NA, Categorical, CategoricalIndex, DatetimeIndex, Index, IntervalIndex, MultiIndex, NaT, PeriodIndex, Series, TimedeltaIndex, Timestamp, array, date_range, period_range, timedelta_range
  import pandas._testing
label_desc: Use image node_id 5 for calling the TestIndexConstructorInference obj's underlying member method code with example usage: obj.test_constructor_int_dtype_float(any_int_numpy_dtype) without return types