pylance fixes and terminal plugin launching

plugin_manager.py

@@ -1,6 +1,7 @@
 """
 Filename: plugin_manager.py
 Description: Manager file for anything plugin related
+Note: Compliant with pylance strict type checking
 
 Author: Tyler de Zeeuw
 License: GPL-3.0
@@ -117,7 +118,7 @@ class PluginManager(QObject):
 
             print(f"[PluginManager] {summary_msg}")
 
-            parent_widget = getattr(self, "main_window", None) or self
+            parent_widget = getattr(self, "main_window", None)
             QMessageBox.warning(
                 parent_widget,
                 "Plugin Load Failures",
@@ -166,7 +167,9 @@ class PluginManager(QObject):
         for action in menubar.actions():
             clean_text = action.text().replace("&", "").strip().lower()
             if clean_text == "plugins":
-                plugins_menu = action.menu()
+                menu = action.menu()
+                if isinstance(menu, QMenu):
+                    plugins_menu = menu
                 break
 
         # If it doesn't exist yet, create it
@@ -191,8 +194,9 @@ class PluginManager(QObject):
         plugins_menu.addSeparator()
         manager_action = plugins_menu.addAction("Manage Plugins...")
 
-        if hasattr(self.main_window, "plugins_gui") and callable(self.main_window.plugins_gui):
-            manager_action.triggered.connect(self.main_window.plugins_gui)
+        plugins_gui_func = getattr(self.main_window, "plugins_gui", None)
+        if callable(plugins_gui_func):
+            manager_action.triggered.connect(plugins_gui_func)
 
     def unload_plugins(self) -> None:
         """Clears current active plugin instances."""