[2022/02/25 00:24:13.581] + /opt/python/3.6/bin/python3 setup.py clean
[2022/02/25 00:24:13.581] + /opt/python/3.6/bin/python3 setup.py doc -t
[2022/02/25 00:24:15.706] Extension error:
[2022/02/25 00:24:15.706] Could not import extension sphinxcontrib.shellcheck (exception: No module named 'sphinxcontrib.shellcheck')
[2022/02/25 00:24:15.707] Traceback (most recent call last):
[2022/02/25 00:24:15.707]   File "setup.py", line 345, in <module>
[2022/02/25 00:24:15.707]     **extra_opts
[2022/02/25 00:24:15.707]   File "/opt/python/3.6/lib/python3.6/site-packages/setuptools/__init__.py", line 153, in setup
[2022/02/25 00:24:15.707]     return distutils.core.setup(**attrs)
[2022/02/25 00:24:15.707]   File "/opt/python/3.6/lib/python3.6/distutils/core.py", line 148, in setup
[2022/02/25 00:24:15.707]     dist.run_commands()
[2022/02/25 00:24:15.707]   File "/opt/python/3.6/lib/python3.6/distutils/dist.py", line 955, in run_commands
[2022/02/25 00:24:15.707]     self.run_command(cmd)
[2022/02/25 00:24:15.707]   File "/opt/python/3.6/lib/python3.6/distutils/dist.py", line 974, in run_command
[2022/02/25 00:24:15.707]     cmd_obj.run()
[2022/02/25 00:24:15.707]   File "setup.py", line 168, in run
[2022/02/25 00:24:15.707]     raise RuntimeError("documentation step '%s' failed" % (mode,))
[2022/02/25 00:24:15.707] RuntimeError: documentation step 'doctest' failed