Fix a bug for Debian systems (rtd theme have to be imported and its path defined).
Fix a bug for Debian systems (rtd theme have to be imported and its path defined).

jeremiedecock/podcast-manager,jeremiedecock/tictactoe-py,jeremiedecock/podcast-manager,jeremiedecock/pyai,jeremiedecock/tictactoe-py,jeremiedecock/pyai