Default effect should use __init__()

Author: einarf

demosys/effects/default/effect.py

@@ -6,7 +6,7 @@
 
 class DefaultEffect(effect.Effect):
     """Generated default efffect"""
-    def init(self):
+    def __init__(self):
         self.shader = self.get_shader("default.glsl")
         self.cube = geometry.cube(4.0, 4.0, 4.0)