error-after-file-deleted

Mar 11 18:22:39 localhost 2020-03-11 18:22:39,729 - root:53(excepthook) ERROR: Unrecoverable error#012Traceback (most recent call last):#012  File "/opt/venvs/securedrop-client/lib/python3.7/site-packages/securedrop_client/gui/widgets.py", line 715, in on_source_changed#012    conversation_wrapper.conversation_view.update_conversation(source.collection)#012  File "/opt/venvs/securedrop-client/lib/python3.7/site-packages/securedrop_client/gui/widgets.py", line 2836, in update_conversation#012    self.add_file(conversation_item, index)#012  File "/opt/venvs/securedrop-client/lib/python3.7/site-packages/securedrop_client/gui/widgets.py", line 2856, in add_file#012    index)#012  File "/opt/venvs/securedrop-client/lib/python3.7/site-packages/securedrop_client/gui/widgets.py", line 1923, in __init__#012    self.file = self.controller.get_file(file_uuid)#012  File "/opt/venvs/securedrop-client/lib/python3.7/site-packages/securedrop_client/logic.py", line 830, in get_file#012    file = storage.get_file(self.session, file_uuid)#012  File "/opt/venvs/securedrop-client/lib/python3.7/site-packages/securedrop_client/storage.py", line 573, in get_file#012    return session.query(File).filter_by(uuid=uuid).one()#012  File "/opt/venvs/securedrop-client/lib/python3.7/site-packages/sqlalchemy/orm/query.py", line 3282, in one#012    raise orm_exc.NoResultFound("No row was found for one()")#012sqlalchemy.orm.exc.NoResultFound: No row was found for one()