Index: game.py
===================================================================
--- game.py	(revision a7d1e5e6d512616d8c6055491bb5bd33b4e089df)
+++ game.py	(revision a7f54e31d95e33e65a3085b3d76a8ddd69e1bc3a)
@@ -16,5 +16,5 @@
    glPushAttrib(GL_ALL_ATTRIB_BITS)
    render3d(surface)
-   glPopAttrib(GL_ALL_ATTRIB_BITS)
+   glPopAttrib()
 
    if showOverlay:
@@ -23,5 +23,5 @@
       glPushAttrib(GL_ALL_ATTRIB_BITS)
       projectOverlay(surface, overlay)
-      glPopAttrib(GL_ALL_ATTRIB_BITS)
+      glPopAttrib()