Problem with b4

I just grabbed the new Jython 2.7 beta 4 (thanks for all of the great 
work guys!).  Unfortunately my application which worked under b3 now 
appears to be broken under b4.  I've attached a small self contained 
example of my application. In short the class reads user input, and 
passes it to an interpreter. The problem that I'm seeing is when I try 
to do an "from foo import ScriptReader" I get [1].  Its worth mentioning 
that I don't have a problem doing a "from java.util import HashMap". I 
went ahead and modified line 226 of warnings.py to 'catch' an IndexError 
in addition to the Attribute and Type Errors that it was already 
catching.  At first glance this appears to allow things to run properly 
again (i.e. the import classes can be used).

Am I doing something wrong or did something change between b3 and b4 
that caused what I assume to be bug 839151 to 'reappear'?

Thanks again for all of the great work that you guys are doing.

See [2] for the steps to reproduce my error.

[1]
----------------------------------------
Terminate each fragment with EOF.
   (EOF with empty fragment ends program)
----------------------------------------
--> from foo import ScriptReader
Running: from foo import ScriptReader

Traceback (most recent call last):
   File "<string>", line 1, in <module>
   File 
"/home/jhubbard/Downloads/jython-standalone-2.7-b4.jar/Lib/warnings.py", 
line 226, in warn
   File 
"/home/jhubbard/Downloads/jython-standalone-2.7-b4.jar/Lib/warnings.py", 
line 226, in warn
IndexError: index out of range: 0


[2]
tar -xzvf sscce.tgz
cd sscce
# edit build.xml to point jython-standalone-2.7b4
ant
java -cp /path/to/jython:lib foo.ScriptReader
# at prompt enter "from foo import ScriptReader
# enter ctrl+d

-- 
-john

To be or not to be, that is the question
                 2b || !2b
(0b10)*(0b1100010) || !(0b10)*(0b1100010)
         0b11000100 || !0b11000100
         0b11000100 ||  0b00111011
                0b11111111
255, that is the answer.

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