Update app.py

app.py

@@ -149,7 +149,7 @@ class LangChain_Document_QA:
         return summary
 
     def _display_graph(self,sentiment_scores):
-        fig = px.bar(sentiment_scores, orientation='h', color=labels, color_discrete_map={"Negative": "red", "Positive": "green", "Neutral": "gray"})
+        fig = px.bar(sentiment_scores, orientation='h')
         fig.update_traces(texttemplate='%{x:.2f}%', textposition='outside')
         fig.update_layout(height=500, width=200)
         return fig