code: def test_unary_non_nano(self, td, unit):
      assert abs(td)._creso == unit
      assert (-td)._creso == unit
      assert (+td)._creso == unit
  
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 6 for calling the TestNonNano obj's underlying member method code with example usage: obj.test_unary_non_nano(td, unit) without return types