Insync does not start on Debian stretch

Traceback (most recent call last):
 File “<string>”, line 6, in <module>
 File “main.py”, line 128, in <module>
 File “main__insync.py”, line 125, in <module>
 File “isyncd/linux/headless/cli.py”, line 49, in run
 File “main__insync.py”, line 46, in main
 File “isyncd/linux/platform_impl.py”, line 2, in <module>
 File “isyncd/linux/appui_impl.py”, line 2, in <module>
 File “isyncd/linux/htmlui_base.py”, line 7, in <module>
 File “PySide2/QtWebEngineWidgets.py”, line 26, in <module>
 File “PySide2/QtWebEngineWidgets.py”, line 17, in _bbfreeze_import_dynamic_module
ImportError: libsmime3.so: cannot open shared object file: No such file or directory

Installed using the .deb installer.

Hi there,

This is on Insync 1.5.7, yes?

Can you also send in the output of the command insync start —no-daemon ?