Some possibility to break the loop

pyleds/program/siinus/Gaynbow.py

@@ -26,6 +26,8 @@ class Gaynbow(Program):
         while self.get_loop().status():
             """Draw rainbow that uniformly distributes itself across all pixels."""
             for j in range(256 * iterations):
+                if not self.get_loop().status():
+                    break
                 for i in range(self._lm.count_pixels()):
                     self._lm.set_pixel_color(i, wheel(
                         (int(i * 256 / self._lm.count_pixels()) + j) & 255))