Fix execx import in openurl
# https://github.com/panda2134/open-python/blob/32a4b61b44302da185dcf6a72a48d1c726eb3e51/open_python/__init__.py
import sys
-from plextraktsync.commands.self_update import execx
+from plextraktsync.util.execx import execx
def openurl(url: str):
