I do not know about S.gpg-agent.browser error while adding ppa repository.Can I get more information for solve this?add-apt-repository ppa:webupd8team/java (or another repository)gpg: keybox '/tmp/tmph1zsbhtw/pubring.gpg' createdgpg: /tmp/tmph1zsbhtw/trustdb.gpg: trustdb createdgpg: key C2518248EEA14886: public key Launchpad VLC importedgpg: no ultimately trusted keys foundgpg: Total number processed: 1gpg:               imported: 1gpg: no valid OpenPGP data found.Exception in thread Thread-1:Traceback (most recent call last):  File /usr/lib/python3.5/threading.py, line 914, in _bootstrap_inner    self.run()  File /usr/lib/python3.5/threading.py, line 862, in run    self._target(*self._args, **self._kwargs)  File /usr/lib/python3/dist-packages/softwareproperties/SoftwareProperties.py, line 688, in addkey_func    func(**kwargs)  File /usr/lib/python3/dist-packages/softwareproperties/ppa.py, line 386, in add_key    return apsk.add_ppa_signing_key()  File /usr/lib/python3/dist-packages/softwareproperties/ppa.py, line 273, in add_ppa_signing_key    cleanup(tmp_keyring_dir)  File /usr/lib/python3/dist-packages/softwareproperties/ppa.py, line 234, in cleanup    shutil.rmtree(tmp_keyring_dir)  File /usr/lib/python3.5/shutil.py, line 480, in rmtree    _rmtree_safe_fd(fd, path, onerror)  File /usr/lib/python3.5/shutil.py, line 438, in _rmtree_safe_fd    onerror(os.unlink, fullname, sys.exc_info())  File /usr/lib/python3.5/shutil.py, line 436, in _rmtree_safe_fd    os.unlink(name, dir_fd=topfd)FileNotFoundError: [Errno 2] No such file or directory: 'S.gpg-agent.browser'
S.gpg-agent.browser not found in debian strech while adding ppa
debian;ppa