This is a packaging bug in Debian & Ubuntu only. It's not an upstream deja-dup issue.
They have not yet packaged pydrive, which deja-dup and duplicity need to talk to Google Drive (we can no longer use the previous method of talking to Google Drive - which was through gvfs).
To work around this for now, I recommend trying the snap, which does not have this problem:
snap install deja-dup --classic
This is a packaging bug in Debian & Ubuntu only. It's not an upstream deja-dup issue.
They have not yet packaged pydrive, which deja-dup and duplicity need to talk to Google Drive (we can no longer use the previous method of talking to Google Drive - which was through gvfs).
To work around this for now, I recommend trying the snap, which does not have this problem:
snap install deja-dup --classic