DBusException on startup: essage recipient disconnected from message bus without replying

[robert-matusewicz]

Sometimes Guake fails to start with error

update.go:96: cannot change mount namespace according to change mount (/var/lib/snapd/hostfs/usr/local/share/fonts /usr/local/share/fonts none bind,ro 0 0): cannot create writable mimic over "/usr/local/share": permission denied
Traceback (most recent call last):
  File "/snap/guake/x1/usr/local/bin/guake", line 10, in <module>
    sys.exit(exec_main())
  File "/snap/guake/x1/usr/local/lib/python3.6/dist-packages/guake/main.py", line 488, in exec_main
    if not main():
  File "/snap/guake/x1/usr/local/lib/python3.6/dist-packages/guake/main.py", line 465, in main
    remote_object.show_hide()
  File "/snap/guake/x1/usr/lib/python3/dist-packages/dbus/proxies.py", line 70, in __call__
    return self._proxy_method(*args, **keywords)
  File "/snap/guake/x1/usr/lib/python3/dist-packages/dbus/proxies.py", line 145, in __call__
    **keywords)
  File "/snap/guake/x1/usr/lib/python3/dist-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying