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-rw-r--r--tests/test_examplefiles.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/tests/test_examplefiles.py b/tests/test_examplefiles.py
index 877cbecf..5c5e22eb 100644
--- a/tests/test_examplefiles.py
+++ b/tests/test_examplefiles.py
@@ -64,6 +64,8 @@ def check_lexer(lx, absfn, outfn):
(lx, absfn)
tokens.append((type, val))
if u''.join(ntext) != text:
+ print '\n'.join(difflib.unified_diff(u''.join(ntext).splitlines(),
+ text.splitlines()))
raise AssertionError('round trip failed for ' + absfn)
# check output against previous run if enabled