old_contents: import pickle
  
  import pytest
  
  from ..queries import TimeRange
  
  
  def test_time_range():
      empty = TimeRange()
      assert empty == dict(empty) == empty.query == {}
      assert TimeRange(**empty.kwargs) == empty
  
      since = TimeRange(since='2020')
      expected = {'time': {'$gte': 1577854800.0}}
      assert since == dict(since) == since.query == expected
      assert TimeRange(**since.kwargs) == since
  
      until = TimeRange(until='2020')
      expected = {'time': {'$lt': 1577854800.0}}
      assert until == dict(until) == until.query == expected
      assert TimeRange(**until.kwargs) == until
  
      both = TimeRange(since='2020', until='2021')
      expected = {'time': {'$gte': 1577854800.0, '$lt': 1609477200.0}}
      assert both == dict(both) == both.query == expected
      assert TimeRange(**both.kwargs) == both
  
      with pytest.raises(ValueError):
          # since must not be greater than until
          TimeRange(since='2021', until='2020')
  
      with_tz = TimeRange(since='2020-01-01 9:52', timezone='Europe/Amsterdam')
      expected = {'time': {'$gte': 1577868720.0}}
      assert with_tz == dict(with_tz) == with_tz.query == expected
      assert TimeRange(**with_tz.kwargs) == with_tz
  
  
  def test_replace():
      "Test the Query.replace() method using TimeRange."
      original = TimeRange(since='2020', until='2021')
      clone = original.replace()
      assert original == clone
  
      replaced = original.replace(since='1999')
      assert replaced != original
  
  
  def test_pickle():
      "Ensure that query objects are pickle-able."
      q = TimeRange(since='2020-01-01 9:52')
      serialized = pickle.dumps(q)
      deserialized = pickle.loads(serialized)
      assert q == deserialized
  
new_contents: import pickle
  
  import pytest
  
  from ..queries import TimeRange
  
  
  def test_time_range():
      empty = TimeRange()
      assert empty == dict(empty) == empty.query == {}
      assert TimeRange(**empty.kwargs) == empty
  
      since = TimeRange(since='2020', timezone="US/Eastern")
      expected = {'time': {'$gte': 1577854800.0}}
      assert since == dict(since) == since.query == expected
      assert TimeRange(**since.kwargs) == since
  
      until = TimeRange(until='2020', timezone="US/Eastern")
      expected = {'time': {'$lt': 1577854800.0}}
      assert until == dict(until) == until.query == expected
      assert TimeRange(**until.kwargs) == until
  
      both = TimeRange(since='2020', until='2021', timezone="US/Eastern")
      expected = {'time': {'$gte': 1577854800.0, '$lt': 1609477200.0}}
      assert both == dict(both) == both.query == expected
      assert TimeRange(**both.kwargs) == both
  
      with pytest.raises(ValueError):
          # since must not be greater than until
          TimeRange(since='2021', until='2020')
  
      with_tz = TimeRange(since='2020-01-01 9:52', timezone='Europe/Amsterdam')
      expected = {'time': {'$gte': 1577868720.0}}
      assert with_tz == dict(with_tz) == with_tz.query == expected
      assert TimeRange(**with_tz.kwargs) == with_tz
  
  
  def test_replace():
      "Test the Query.replace() method using TimeRange."
      original = TimeRange(since='2020', until='2021', timezone="US/Eastern")
      clone = original.replace()
      assert original == clone
  
      replaced = original.replace(since='1999')
      assert replaced != original
  
  
  def test_pickle():
      "Ensure that query objects are pickle-able."
      q = TimeRange(since='2020-01-01 9:52', timezone="US/Eastern")
      serialized = pickle.dumps(q)
      deserialized = pickle.loads(serialized)
      assert q == deserialized
  
subject: Remove ET bias from TimeRange tests.