This patch removes all uses of "assert" in the regression test suite
and replaces them with a new API verify(). As a result the regression
suite will also perform its tests in optimization mode.

Written by Marc-Andre Lemburg. Copyright assigned to Guido van Rossum.
diff --git a/Lib/test/test_gl.py b/Lib/test/test_gl.py
index 61eaa83..72b0895 100755
--- a/Lib/test/test_gl.py
+++ b/Lib/test/test_gl.py
@@ -3,7 +3,7 @@
     taken mostly from the documentation.
     Roger E. Masse
 """
-from test_support import verbose, TestSkipped
+from test_support import verify, verbose, TestSkipped
 import gl, GL, time
 
 glattrs = ['RGBcolor', 'RGBcursor', 'RGBmode', 'RGBrange', 'RGBwritemask',