code: def test_conversion(self):
      for td in [
          Timedelta(10, unit="d"),
          Timedelta("1 days, 10:11:12.012345"),
      ]:
          pydt = td.to_pytimedelta()
          assert td == Timedelta(pydt)
          assert td == pydt
          assert isinstance(pydt, timedelta) and not isinstance(
              pydt, Timedelta
          )
  
          assert td == np.timedelta64(td._value, "ns")
          td64 = td.to_timedelta64()
  
          assert td64 == np.timedelta64(td._value, "ns")
          assert td == td64
  
          assert isinstance(td64, np.timedelta64)
  
      # this is NOT equal and cannot be roundtripped (because of the nanos)
      td = Timedelta("1 days, 10:11:12.012345678")
      assert td != td.to_pytimedelta()
  
imports: from datetime import timedelta
  import sys
  from hypothesis import given, strategies
  import numpy
  import pytest
  from pandas._libs import lib
  from pandas._libs.tslibs import NaT, iNaT
  from pandas._libs.tslibs.dtypes import NpyDatetimeUnit
  from pandas.errors import OutOfBoundsTimedelta
  from pandas import Timedelta, to_timedelta
  import pandas._testing
label_desc: Use image node_id 3 for calling the TestTimedeltas obj's underlying member method code with example usage: obj.test_conversion() without return types