@staticmethod
    def _write_content_types_stream(phys_writer, parts):
        content_types_blob = serialize_part_xml(
            _ContentTypesItem.xml_for(parts)
        )
        phys_writer.write(CONTENT_TYPES_URI, content_types_blob)
When the second date occurs before the first, we should always
dataset/ETHPy150Open scanny/python-pptx/pptx/opc/pkgwriter.py/PackageWriter._write_content_types_stream--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/tests/regressiontests/utils/timesince.py/TimesinceTests.test_display_second_before_first