05.11.17 21:53, Stephan Houben пише: > After python39.dll I'd expect python3A.dll . The problem will return in 3.36. > Or possibly python3⑽.dll > > >>> len("python3⑽.dll") == len("python39.dll") > True > > No worries, then. But len(os.fsencode("python3⑽.dll")) != len(os.fsencode("python39.dll")).