running build running build_py creating build creating build/lib creating build/lib/recommonmark copying recommonmark/transform.py -> build/lib/recommonmark copying recommonmark/states.py -> build/lib/recommonmark copying recommonmark/scripts.py -> build/lib/recommonmark copying recommonmark/parser.py -> build/lib/recommonmark copying recommonmark/__init__.py -> build/lib/recommonmark make: Entering directory '/build/python-recommonmark/src/recommonmark-0.7.1/docs' sphinx-build -b text -d _build/doctrees . _build/text sphinx-build -b man -d _build/doctrees . _build/man Running Sphinx v4.3.2 Running Sphinx v4.3.2 Exception occurred: File "/build/python-recommonmark/src/recommonmark-0.7.1/recommonmark/parser.py", line 9, in from commonmark import Parser ModuleNotFoundError: No module named 'commonmark' The full traceback has been saved in /tmp/sphinx-err-dgw4zqkb.log, if you want to report the issue to the developers. Please also report this if it was a user error, so that a better error message can be provided next time. A bug report can be filed in the tracker at . Thanks! Exception occurred: File "/build/python-recommonmark/src/recommonmark-0.7.1/recommonmark/parser.py", line 9, in from commonmark import Parser ModuleNotFoundError: No module named 'commonmark' The full traceback has been saved in /tmp/sphinx-err-fg7wsahp.log, if you want to report the issue to the developers. Please also report this if it was a user error, so that a better error message can be provided next time. A bug report can be filed in the tracker at . Thanks! make: *** [Makefile:141: man] Error 2 make: *** Waiting for unfinished jobs.... make: *** [Makefile:136: text] Error 2 make: Leaving directory '/build/python-recommonmark/src/recommonmark-0.7.1/docs' ==> ERROR: A failure occurred in build().  Aborting...