#5609 - test_urllib coverage for url2pathname and pathname2url. Patch
contribution by Thomas Fenzl & Maksim Kozyarchuk
normalize whitespace
#14971: Use class method name, not function.__name__, during unittest discovery.
#17690: test_time now works with unittest test discovery.  Patch by Zachary Ware.
Fix supernumerary 's' in sys._debugmallocstats() output.