code: def test_period_comparison_numpy_zerodim_arr(self, scalar, expected):
      zerodim_arr = np.array(scalar)
      per = Period("2000-01", "M")
  
      assert (per == zerodim_arr) is expected
      assert (zerodim_arr == per) is expected
  
imports: from datetime import timedelta
  import numpy
  import pytest
  from pandas._libs.tslibs.period import IncompatibleFrequency
  from pandas import NaT, Period, Timedelta, Timestamp, offsets
label_desc: Use image node_id 6 for calling the TestPeriodComparisons obj's underlying member method code with example usage: obj.test_period_comparison_numpy_zerodim_arr(scalar, expected) without return types