Also fixes QGroupBox() reported in python-qt-tools#147

Author: bluebird75

PyQt5-stubs/QtWidgets.pyi

@@ -6540,9 +6540,9 @@ class QGridLayout(QLayout):
 class QGroupBox(QWidget):
 
     @typing.overload
-    def __init__(self, parent: typing.Optional[QWidget] = ...) -> None: ...
+    def __init__(self, parent: typing.Optional[QWidget] = ..., *, objectName: str = ...) -> None: ...
     @typing.overload
-    def __init__(self, title: str, parent: typing.Optional[QWidget] = ...) -> None: ...
+    def __init__(self, title: str, parent: typing.Optional[QWidget] = ..., *, objectName: str = ...) -> None: ...
 
     def mouseReleaseEvent(self, event: QtGui.QMouseEvent) -> None: ...
     def mouseMoveEvent(self, event: QtGui.QMouseEvent) -> None: ...

tests/qgroupbox.py

@@ -0,0 +1,5 @@
+from PyQt5.QtWidgets import QApplication, QGroupBox
+
+app = QApplication(['my_program', '-platform', 'offscreen'])
+
+groupBox = QGroupBox(objectName='some_name')