code: def test_qcut_bounds():
      arr = np.random.default_rng(2).standard_normal(1000)
  
      factor = qcut(arr, 10, labels=False)
      assert len(np.unique(factor)) == 10
  
imports: import os
  import numpy
  import pytest
  import pandas
  from pandas import Categorical, DatetimeIndex, Interval, IntervalIndex, NaT, Series, Timedelta, TimedeltaIndex, Timestamp, cut, date_range, isna, qcut, timedelta_range
  import pandas._testing
  from pandas.api.types import CategoricalDtype
  from pandas.tseries.offsets import Day
label_desc: Use image node_id 2 for calling a global function with example usage: test_qcut_bounds() without return types