asyncio error with python 3.7

[nyanloutre]

When running tests the following error is raised with Python >= 3.7

tlslite (unittest.loader._FailedTest) ... ERROR

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ERROR: tlslite (unittest.loader._FailedTest)
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ImportError: Failed to import test module: tlslite
Traceback (most recent call last):
  File "/nix/store/6lm4gi5iv8fbf1b1mm6g3gfnnv63f1gn-python3-3.7.1/lib/python3.7/unittest/loader.py", line 468, in _find_test_path
    package = self._get_module_from_name(name)
  File "/nix/store/6lm4gi5iv8fbf1b1mm6g3gfnnv63f1gn-python3-3.7.1/lib/python3.7/unittest/loader.py", line 375, in _get_module_from_name
    __import__(name)
  File "/build/tlslite-0.4.9/tlslite/__init__.py", line 27, in <module>
    from tlslite.api import *
  File "/build/tlslite-0.4.9/tlslite/api.py", line 11, in <module>
    from .tlsconnection import TLSConnection
  File "/build/tlslite-0.4.9/tlslite/tlsconnection.py", line 71
    async=False):
        ^
SyntaxError: invalid syntax


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Ran 1 test in 0.000s

See pypa/pipenv#956 for details

[tomato42]

tlslite is abandoned, please use tlslite-ng, it's a drop-in replacement