Tags will be empty if teach=false

exa/exa/pipelines.py

@@ -105,12 +105,13 @@ class ExaPipeline(object):
         :param text: Text for searching tags
         :return: json object with tags that are relevant for text
         '''
-        self.classifier.classify(text)
-        tags = list()
-        for i in self.classifier.tag_accordance:
-            tags.append(i[0])
-        if len(tags) > 0:
-            return tags
+        if self.classifier:
+            self.classifier.classify(text)
+            tags = list()
+            for i in self.classifier.tag_accordance:
+                tags.append(i[0])
+            if len(tags) > 0:
+                return tags
         return None
 
     def get_radar(self, tags):