old_contents: from enerdata.datetime import datetime
  from enerdata.datetime.timezone import TIMEZONE
  from pytz import utc
  from dateutil import relativedelta
  from enerdata.datetime.station import *
  
  
  with description('The station module'):
      with it('has to return the station by date'):
          assert get_station(datetime(2014, 1, 1)) == 'winter'
          assert get_station(datetime(2014, 4, 1)) == 'summer'
          assert get_station(datetime(2014, 10, 26, 2)) == 'winter'
          assert get_station(datetime(2014, 3, 30, 2)) == 'summer'
          assert get_station(TIMEZONE.localize(datetime(2014, 10, 26, 2), is_dst=True)) == 'summer'
  
new_contents: from enerdata.datetime import datetime
  from enerdata.datetime.timezone import TIMEZONE
  from enerdata.datetime.station import *
  
  
  with description('The station module'):
      with it('has to return the station by date'):
          assert get_station(datetime(2014, 1, 1)) == 'winter'
          assert get_station(datetime(2014, 4, 1)) == 'summer'
          assert get_station(datetime(2014, 10, 26, 2)) == 'winter'
          assert get_station(datetime(2014, 3, 30, 2)) == 'summer'
          assert get_station(TIMEZONE.localize(datetime(2014, 10, 26, 2), is_dst=True)) == 'summer'
  
subject: Remove unnused imports