fixing NLU input check (oops)
@@ -70,7 +70,7 @@ class NaturalLanguageUnderstandingV1(WatsonDeveloperCloudService):
feature_dict[feature.name()] = feature.toDict()
body['features'] = feature_dict
- if not (text or url or body):
+ if text is None and html is None and url is None:
msg = "html, text, or url must have content"
raise ValueError(msg)
