Need help with parsing error

jEdit = 5.1.0, java = 1.8.0_101, ubuntu 14.04

I have been working with some Python files and sometime during the day 
parsing stopped working.  I look in sidekick and I see "Not parsed" 
written there. If I push the parse button it just flashes. This error is 
produced:

Traceback (most recent call last):
   File 
"/home/jfb/.jedit/jars/JythonInterpreter.jar/jython/PyParser.py", line 
125, in _parse
   File "/home/jfb/.jedit/jars/jythonlib.jar/Lib/pyclbr.py", line 101, 
in readmodule_ex
   File "/home/jfb/.jedit/jars/jythonlib.jar/Lib/pyclbr.py", line 128, 
in _readmodule
   File "/home/jfb/.jedit/jars/jythonlib.jar/Lib/pyclbr.py", line 138, 
in _readmodule
ImportError: No module named 2

How can I get it working again?

Thanks,  Jim

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