New == syntax
diff --git a/Lib/lib-stdwin/StripChart.py b/Lib/lib-stdwin/StripChart.py
index d58f835..5bce412 100644
--- a/Lib/lib-stdwin/StripChart.py
+++ b/Lib/lib-stdwin/StripChart.py
@@ -51,7 +51,7 @@
 	#
 	def draw(self, (d, area)):
 		area = rect.intersect(area, self.bounds)
-		if area = rect.empty:
+		if area == rect.empty:
 			return
 		d.cliprect(area)
 		d.erase(self.bounds)