1 files changed, 13 insertions, 0 deletions
diff --git a/examples/widgets/state-machine/factstates/factstates.py b/examples/widgets/state-machine/factstates/factstates.py
index 47cf4d841..053e89908 100644
--- a/examples/widgets/state-machine/factstates/factstates.py
+++ b/examples/widgets/state-machine/factstates/factstates.py
@@ -48,49 +48,62 @@ from PySide6.QtStateMachine import (QFinalState, QSignalTransition, QState,
 
 class Factorial(QObject):
     x_changed = Signal(int)
+
     def __init__(self):
         super().__init__()
         self.xval = -1
         self.facval = 1
+
     def get_x(self):
         return self.xval
+
     def set_x(self, x):
         if self.xval == x:
             return
         self.xval = x
         self.x_changed.emit(x)
     x = Property(int, get_x, set_x)
+
     def get_fact(self):
         return self.facval
+
     def set_fact(self, fac):
         self.facval = fac
+
     fac = Property(int, get_fact, set_fact)
 
+
 class FactorialLoopTransition(QSignalTransition):
     def __init__(self, fact):
         super().__init__(fact, SIGNAL('x_changed(int)'))
         self.fact = fact
+
     def eventTest(self, e):
         if not super(FactorialLoopTransition, self).eventTest(e):
             return False
         return e.arguments()[0] > 1
+
     def onTransition(self, e):
         x = e.arguments()[0]
         fac = self.fact.fac
         self.fact.fac = x * fac
         self.fact.x = x - 1
 
+
 class FactorialDoneTransition(QSignalTransition):
     def __init__(self, fact):
         super().__init__(fact, SIGNAL('x_changed(int)'))
         self.fact = fact
+
     def eventTest(self, e):
         if not super(FactorialDoneTransition, self).eventTest(e):
             return False
         return e.arguments()[0] <= 1
+
     def onTransition(self, e):
         print(self.fact.fac)
 
+
 if __name__ == '__main__':
     import sys
     app = QCoreApplication(sys.argv)