Mainwindow: Revert 'sqlitebrowser' QProcess to Popen (run as async).

View/mainwindow.py

@@ -39,7 +39,7 @@ from View.about_window import AboutWindow
 import settings as stg
 
 import numpy as np
-from subprocess import run
+from subprocess import Popen
 
 import time
 
@@ -269,21 +269,7 @@ class Ui_MainWindow(object):
         cc_kt.exec()
 
     def db_browser_for_sqlite(self):
-        proc = QtCore.QProcess()
-        if stg.filename_save_as != "":
-            print(f"Set working directory to: '{stg.filename_save_as}'")
-            proc.setWorkingDirectory(
-                os.path.dirname(stg.filename_save_as)
-            )
-
-        proc.start("sqlitebrowser", [])
-        proc.waitForFinished()
-
-        if proc.exitCode() != 0:
-            print(f"'sqlitebrowser' return with error code: {proc.exitCode()}")
-            print("-error------")
-            print(f"{proc.readAllStandardError()}")
-            print("------------")
+        Popen(f"sqlitebrowser", shell=True)
 
     def about_window(self):
         print("about")