fix sporadic "InvalidRequestError: When initializing mapper Mapper|Analysis|analysis, expression u'AnalysisFeature' failed to locate a name ("name 'AnalysisFeature' is not defined")"
fix sporadic "InvalidRequestError: When initializing mapper Mapper|Analysis|analysis, expression u'AnalysisFeature' failed to locate a name ("name 'AnalysisFeature' is not defined")"

abretaud/python-chado