doc/Makefile | 5 0 + 5 - 0 !
1 file changed, 5 deletions(-)

 avoid running pip while building documentation
 There is no Internet access while building the package. Therefore calling pip
 will fail.

doc/conf.py | 9 2 + 7 - 0 !
1 file changed, 2 insertions(+), 7 deletions(-)

 revert html documentation theme to 'nature'
 The HTML documentation theme 'python_docs_theme' is not available in Debian.
 Therefore revert to the previous theme until 'python_docs_theme' is available
 in Debian.