Gui-less application

CHANGELOG.md

@@ -23,7 +23,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 * [#184](https://github.com/python-qt-tools/PyQt5-stubs/pull/184) Fix missing module variable
    detected by latest mypy 0.930
 * [#183](https://github.com/python-qt-tools/PyQt5-stubs/pull/183) Add missing operations on QSize
+* [#187](https://github.com/python-qt-tools/PyQt5-stubs/pull/187) Allow `None` as argument for `QLineEdit.setText()`
 * [#189](https://github.com/python-qt-tools/PyQt5-stubs/pull/189) Fix QListWidget, QTreeWidget and QTableWidget so that their respective items are now optional in many places when used as argument or return value
+
+
 ## 5.15.2.0
 
 ### Added

PyQt5-stubs/QtWidgets.pyi

@@ -7147,7 +7147,7 @@ class QLineEdit(QWidget):
     def undo(self) -> None: ...
     def selectAll(self) -> None: ...
     def clear(self) -> None: ...
-    def setText(self, a0: str) -> None: ...
+    def setText(self, a0: typing.Optional[str]) -> None: ...
     def hasAcceptableInput(self) -> bool: ...
     def setInputMask(self, inputMask: str) -> None: ...
     def inputMask(self) -> str: ...

tests/qlineedit.py

@@ -0,0 +1,9 @@
+import os
+
+from PyQt5.QtWidgets import QLineEdit, QApplication
+
+app = QApplication(['my_program', '-platform', 'offscreen'])
+
+le = QLineEdit()
+le.setText(None)
+