diff --git a/test/completion/thirdparty/pylab_.py b/test/completion/thirdparty/pylab_.py
index 7e27641d..ab132a45 100644
--- a/test/completion/thirdparty/pylab_.py
+++ b/test/completion/thirdparty/pylab_.py
@@ -29,6 +29,8 @@ na = numpy.array([1,2])
 #? ['shape']
 na.shape
 
+# shouldn't raise an error #29, jedi-vim
+# doesn't return something, because matplotlib uses __import__
 fig = pylab.figure()
-#! 
+#? 
 fig.add_subplot