400: b"The internal type of attribute 'value' needs to be 'string'"

[progval]

<PPP response language='en', tree=<PPP node "triple" {'predicate': <PPP node "resource" {'value': 'identity'}>, 'subject': <PPP node "resource" {'value': 'Liberian James'}>, 'object': <PPP node "missing" {}>}>, measures={'accuracy': 0.5, 'relevance': 0.5}, trace=[<PPP traceitem module='input', tree=<PPP node "sentence" {'value': 'How tall is Lebron James'}>, measures={'accuracy': 1, 'relevance': 0}>, <PPP traceitem module='spell-checker', tree=<PPP node "sentence" {'value': 'How tall is Liberian James'}>, measures={'accuracy': 0.5, 'relevance': 0.2}>, <PPP traceitem module='NLP-Classical', tree=<PPP node "triple" {'predicate': <PPP node "resource" {'value': 'identity'}>, 'subject': <PPP node "resource" {'value': 'Liberian James'}>, 'object': <PPP node "missing" {}>}>, measures={'accuracy': 0.5, 'relevance': 0.5}>]>
<PPP response language='en', tree=<PPP node "triple" {'subject': <PPP node "resource" {'value': 'Liberian James'}>, 'object': <PPP node "missing" {}>, 'predicate': <PPP node "resource" {'value': 'How tall'}>}>, measures={'relevance': 0.5, 'accuracy': 0.5}, trace=[<PPP traceitem module='input', tree=<PPP node "sentence" {'value': 'How tall is Lebron James'}>, measures={'relevance': 0, 'accuracy': 1}>, <PPP traceitem module='spell-checker', tree=<PPP node "sentence" {'value': 'How tall is Liberian James'}>, measures={'relevance': 0.2, 'accuracy': 0.5}>, <PPP traceitem module='NLP-ML-standalone', tree=<PPP node "triple" {'subject': <PPP node "resource" {'value': 'Liberian James'}>, 'object': <PPP node "missing" {}>, 'predicate': <PPP node "resource" {'value': 'How tall'}>}>, measures={'relevance': 0.5, 'accuracy': 0.5}>]>
WARNING:root:Module Module(name='wikidata', url='http://wikidata.ppp.pony.ovh/', coefficient=1, filters={}) returned 500: b'No entity returned.'
WARNING:root:Module Module(name='wikidata', url='http://wikidata.ppp.pony.ovh/', coefficient=1, filters={}) returned 500: b'No entity returned.'
WARNING:root:Module Module(name='wikidata', url='http://wikidata.ppp.pony.ovh/', coefficient=1, filters={}) returned 400: b"The internal type of attribute 'value'  needs to be 'string'"
WARNING:root:Module Module(name='wikipedia', url='http://wikipedia.ppp.pony.ovh/', coefficient=1, filters={}) returned 400: b"The internal type of attribute 'value'  needs to be 'string'"