code: def testTimeStampConversionsWithMicroseconds(self):
      dateTime = datetime.datetime(2000, 1, 1, 1, 1, 1, microsecond=10)
      self.assertEqual(
          dt.timestamp_to_datetime(
              dt.datetime_to_timestamp(dateTime), False
          ),
          dateTime,
      )
  
      dateTime = dt.as_utc(
          datetime.datetime(2000, 1, 1, 1, 1, 1, microsecond=10)
      )
      self.assertEqual(
          dt.timestamp_to_datetime(
              dt.datetime_to_timestamp(dateTime), True
          ),
          dateTime,
      )
  
imports: import datetime
  from six.moves import xrange
  from .None import common
  from pyalgotrade import utils
  from pyalgotrade.utils import collections
  from pyalgotrade.utils import dt
label_desc: Use image node_id 2 for calling the DateTimeTestCase obj's underlying member method code with example usage: obj.testTimeStampConversionsWithMicroseconds() without return types