Update app.py

app.py

@@ -182,8 +182,9 @@ def run_display(text):
     for event in generate_key_points(text):
         if event.choices:
             output = event.choices[0].delta.content
-            current_output += output
-            yield None, "```text\n" + current_output + "\n```"
+            if output is not None:
+                current_output += output
+                yield None, "```text\n" + current_output + "\n```"
     current_output = current_output.replace("</s>", "")
     dataframe, _ = parse_llm_output(current_output)
     map = create_map_from_markers(dataframe)