loading and opening from now dont crash when canceled

myToolbar.py

@@ -110,6 +110,10 @@ class myToolbarMenu(QWidget):
     def save_as(self, aos, window):
         name = QFileDialog.getSaveFileName(window, 'Save File')
         
+        if not name[0]:
+            print('Saving was canceled')
+            return 0
+        
         file = open(name[0], 'w+')
         file.close()
         settings = QSettings(name[0], QSettings.IniFormat)
@@ -126,6 +130,10 @@ class myToolbarMenu(QWidget):
     def open_from(self, aos, window):
         name = QFileDialog.getOpenFileName(window, 'Save File')
         
+        if not name[0]:
+            print('Opening was canceled')
+            return 0
+        
         settings = QSettings(name[0], QSettings.IniFormat)
         settings.beginGroup('Ventana')
         for ao in aos: