Update app.py

app.py

@@ -2,16 +2,14 @@ import os
 import requests
 from datetime import datetime
 
-
 import gradio as gr
 from gradio import components
 
-from langchain.chat_models import ChatOpenAI
+import openai
+from langchain_openai import ChatOpenAI
 from langchain.chains.summarize import load_summarize_chain
 from langchain.docstore.document import Document
 
-from openai.error import AuthenticationError
-
 def comment_datetime(comment_json):
     dt = datetime.fromisoformat(comment_json["created_at"][:-1])
     return comment_json["user"]["login"] + " commented on " + dt.strftime("%b %d, %Y") + ":"
@@ -79,7 +77,7 @@ def get_issue_info(url):
 
 def init_chain(openai_api_key):
     llm = ChatOpenAI(
-        model_name="gpt-3.5-turbo-16k",
+        model_name="gpt-4o",
         temperature=0.0,
         openai_api_key=openai_api_key
     )
@@ -91,7 +89,7 @@ def init_chain(openai_api_key):
 
 def get_summary(text, chain):
     doc = Document(page_content=text)
-    summary = chain.run([doc]).strip()
+    summary = chain.invoke([doc])["output_text"].strip()
 
     return summary
 
@@ -113,8 +111,9 @@ def run_all(openai_api_key, url):
     try:
         chain = init_chain(openai_api_key)
         summary = get_summary(context, chain)
+        print(summary)
         return template_output.format(summary=summary, context=context)
-    except (ValueError, AuthenticationError) as error:
+    except (ValueError, openai.AuthenticationError) as error:
         return "## Invalid OpenAI API key provided."
     
 html = """