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_imgfile.py b/Lib/test/test_imgfile.py
index 8eb330d..5606bb0 100755
--- a/Lib/test/test_imgfile.py
+++ b/Lib/test/test_imgfile.py
@@ -4,7 +4,7 @@
    Roger E. Masse
 """
 
-from test_support import verbose, unlink, findfile
+from test_support import verify, verbose, unlink, findfile
 
 import imgfile, uu, os