Hi All,

I have been able to workaround the problem I was having by modifying the 
LAJ_code.py to include 'and data != None' on each of the elif statements.
i.e.

        if name == "maf_input":
            params["alignfile1"] = "display?id=%s" % data.id
        elif name == "seq_file1" and data != None and data.state == 
data.states.OK and data.has_data():
            params["file1seq1"] = "display?id=%s" % data.id
        elif name == "seq_file2" and data != None and data.state == 
data.states.OK and data.has_data():
            params["file1seq2"] = "display?id=%s" % data.id
        elif name == "exonfile" and data != None and data.state == 
data.states.OK and data.has_data():
            params["exonfile"] = "display?id=%s" % data.id
        elif name == "repeatfile" and data != None and data.state == 
data.states.OK and data.has_data():
            params["repeatfile"] = "display?id=%s" % data.id
        elif name == "annotationfile" and data != None and data.state == 
data.states.OK and data.has_data():
            params["annotationfile"] = "display?id=%s" % data.id
        elif name == "underlayfile" and data != None and data.state == 
data.states.OK and data.has_data():
            params["underlayfile"] = "display?id=%s" % data.id
        elif name == "highlightfile" and data != None and data.state == 
data.states.OK and data.has_data():
            params["highlightfile"] = "display?id=%s" % data.id

For some reason, even though repeatfile is optional the script always thinks 
that a file has been selected, even when one has not. Hence data is equal to 
None and it throws a 'nonetype has no attribute state' error when it checks 
data.state==data.states.OK.

Could a developer please look into why it would think a file for the option 
repeatfile had been selected when one hasn't.

Cheers,
-- 

Jason Ellul 
Bioinformatician 
Cancer Research Division

Peter MacCallum Cancer Centre 
TEL: +61 3 9656 1512 
FAX: +61 3 9656 1411 
EMAIL: jason.el...@petermac.org  

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