Add blank lines for better readability, as suggested by @ccordoba12

Co-authored-by: Carlos Cordoba <[email protected]>

qtpy/QtGui.py

@@ -12,9 +12,9 @@
 
 if PYQT5:
     from PyQt5.QtGui import *
+
     # Backport items moved to QtGui in Qt6
     from PyQt5.QtWidgets import QAction, QActionGroup, QFileSystemModel, QShortcut, QUndoCommand
-
 elif PYQT6:
     from PyQt6 import QtGui
     from PyQt6.QtGui import *
@@ -33,16 +33,20 @@
     del QtGui
 elif PYSIDE2:
     from PySide2.QtGui import *
+
     # Backport items moved to QtGui in Qt6
     from PySide2.QtWidgets import QAction, QActionGroup, QFileSystemModel, QShortcut, QUndoCommand
+
     if hasattr(QFontMetrics, 'horizontalAdvance'):
         # Needed to prevent raising a DeprecationWarning when using QFontMetrics.width
         QFontMetrics.width = lambda self, *args, **kwargs: self.horizontalAdvance(*args, **kwargs)
 elif PYSIDE6:
     from PySide6.QtGui import *
     from PySide6.QtOpenGL import *
+
     # Backport `QFileSystemModel` moved to QtGui in Qt6
     from PySide6.QtWidgets import QFileSystemModel
+
     QFontMetrics.width = lambda self, *args, **kwargs: self.horizontalAdvance(*args, **kwargs)
     QFontMetricsF.width = lambda self, *args, **kwargs: self.horizontalAdvance(*args, **kwargs)