Close Session context before importing tracks

app/dbconfig.py

@@ -45,9 +45,11 @@ def Session() -> Generator[scoped_session, None, None]:
     function = frame.function
     lineno = frame.lineno
     Session = scoped_session(sessionmaker(bind=engine, future=True))
-    # log.debug(f"Session acquired, {file=}, {function=},
+    log.debug(
-    #           function{lineno=}, {Session=}")
+        f"Session acquired, {file=}, {function=}, "
+        f"function{lineno=}, {Session=}"
+    )
     yield Session
-    # log.debug(" Session released")
+    log.debug(" Session released")
     Session.commit()
     Session.close()

app/musicmuster.py

@@ -480,10 +480,10 @@ class Window(QMainWindow, Ui_MainWindow):
                     if result == QMessageBox.Cancel:
                         return
 
-            # Import in separate thread
+        # Import in separate thread
-            thread = threading.Thread(target=self._import_tracks,
+        thread = threading.Thread(target=self._import_tracks,
-                                      args=(new_tracks,))
+                                  args=(new_tracks,))
-            thread.start()
+        thread.start()
 
     def _import_tracks(self, tracks: list):
         """