debconf: unable to initialize frontend: Dialog
debconf: (Dialog frontend will not work on a dumb terminal, an emacs shell buffer, or without a controlling terminal.)
debconf: falling back to frontend: Readline
dpkg: status database area is locked by another process
dpkg: status database area is locked by another process
dpkg: status database area is locked by another process
ERROR:root:SystemError from cache.commit(): E:Sub-process /usr/bin/dpkg returned an error code (2), E:Sub-process /usr/bin/dpkg returned an error code (2), E:Sub-process /usr/bin/dpkg returned an error code (2)