This happens on Android for a non-root user.  One test in test_logging fails. Multiple tests fail in test_socketserver with identical backtraces, only the first one is listed here.

======================================================================                   [1955/2616]
ERROR: test_noserver (test.test_logging.UnixSocketHandlerTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/sdcard/org.bitbucket.pyona/lib/python3.7/test/test_logging.py", line 1527, in setUp
    SocketHandlerTest.setUp(self)
  File "/sdcard/org.bitbucket.pyona/lib/python3.7/test/test_logging.py", line 1444, in setUp
    self.handle_socket, 0.01)
  File "/sdcard/org.bitbucket.pyona/lib/python3.7/test/test_logging.py", line 885, in __init__
    bind_and_activate)
  File "/sdcard/org.bitbucket.pyona/lib/python3.7/socketserver.py", line 452, in __init__
    self.server_bind()
  File "/sdcard/org.bitbucket.pyona/lib/python3.7/test/test_logging.py", line 889, in server_bind
    super(TestTCPServer, self).server_bind()
  File "/sdcard/org.bitbucket.pyona/lib/python3.7/socketserver.py", line 466, in server_bind
    self.socket.bind(self.server_address)
PermissionError: [Errno 13] Permission denied

======================================================================                    [905/2616]
ERROR: test_ForkingUnixDatagramServer (test.test_socketserver.SocketServerTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/sdcard/org.bitbucket.pyona/lib/python3.7/test/test_socketserver.py", line 243, in test_Fork
ingUnixDatagramServer
    self.dgram_examine)
  File "/sdcard/org.bitbucket.pyona/lib/python3.7/test/support/__init__.py", line 2040, in decorator
    return func(*args)
  File "/sdcard/org.bitbucket.pyona/lib/python3.7/test/test_socketserver.py", line 121, in run_serve
r
    svrcls, hdlrbase)
  File "/sdcard/org.bitbucket.pyona/lib/python3.7/test/test_socketserver.py", line 114, in make_serv
er
    server = MyServer(addr, MyHandler)
  File "/sdcard/org.bitbucket.pyona/lib/python3.7/socketserver.py", line 452, in __init__
    self.server_bind()
  File "/sdcard/org.bitbucket.pyona/lib/python3.7/socketserver.py", line 466, in server_bind
    self.socket.bind(self.server_address)
PermissionError: [Errno 13] Permission denied