fix some bugs

app.py

@@ -14,17 +14,16 @@ def ner(text):
     output_skills = token_skill_classifier(text)
     for result in output_skills:
         if result.get("entity"):
-            tag = results["entity"]
-            results["entity"] = tag + "skill"
+            tag = result["entity"]
+            result["entity"] = tag + "-skill"
 
-    output_knowledge = token_skill_classifier(text)
+    output_knowledge = token_knowledge_classifier(text)
     for result in output_knowledge:
         if result.get("entity"):
-            tag = results["entity"]
-            results["entity"] = tag + "knowledge"
+            tag = result["entity"]
+            result["entity"] = tag + "-knowledge"
 
     output = output_skills + output_knowledge
-
     return {"text": text, "entities": output}