Hello All,
I have been trying to run my function to return json using return
json.dumps(mybuilder.container.to_provJSON())
but I keep getting the error below when I run in debug mode,
are there any ideas on why I will be getting this error?
Traceback (most recent call last):
File
"c:\python26\lib\site-packages\web.py-0.36-py2.6.egg\web\application.py",
line 237, in process
return self.handle()
File
"c:\python26\lib\site-packages\web.py-0.36-py2.6.egg\web\application.py",
line 228, in handle
return self._delegate(fn, self.fvars, args)
File
"c:\python26\lib\site-packages\web.py-0.36-py2.6.egg\web\application.py",
line 409, in _delegate
return handle_class(cls)
File
"c:\python26\lib\site-packages\web.py-0.36-py2.6.egg\web\application.py",
line 385, in handle_class
return tocall(*args)
File "C:\Users\9exbizy\workspace_indigo\Project\src\Webserver.py", line
454, in GET
return json.dumps(mybuilder.container.to_provJSON())
File "C:\Python26\Lib\site-packages\pyprov\model\bundle.py", line 352, in
to_provJSON
Bundle.to_provJSON(self,nsdict)
File "C:\Python26\Lib\site-packages\pyprov\model\bundle.py", line 74, in
to_provJSON
jsondict = relation.to_provJSON(nsdict)
File "C:\Python26\Lib\site-packages\pyprov\model\relation.py", line 594,
in to_provJSON
self._json[self._idJSON]['prov:subordinate']=self.subordinate._idJSON
AttributeError: 'NoneType' object has no attribute '_idJSON'
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