Update app.py

app.py

@@ -2,11 +2,11 @@ import gradio as gr
 from datetime import datetime, timedelta
 import requests
 import google.generativeai as genai
-from github import Github
+from github import Github, GithubException
 
 def generate_release_notes(github_url, github_token, gemini_api_key, start_date, end_date):
     try:
-        # Initialize GitHub client
+        # Initialize GitHub client with the token
         g = Github(github_token)
         
         # Extract owner and repo from the URL
@@ -25,6 +25,9 @@ def generate_release_notes(github_url, github_token, gemini_api_key, start_date,
         commit_messages = [commit.commit.message for commit in commits]
         commit_text = "\n".join(commit_messages)
         
+        if not commit_text:
+            return "No commits found in the specified date range."
+        
         # Use Gemini AI to generate release notes
         genai.configure(api_key=gemini_api_key)
         model = genai.GenerativeModel('gemini-pro')
@@ -45,6 +48,13 @@ def generate_release_notes(github_url, github_token, gemini_api_key, start_date,
         
         return response.text
     
+    except GithubException as e:
+        if e.status == 401:
+            return "Error: Invalid GitHub token or insufficient permissions."
+        elif e.status == 404:
+            return "Error: Repository not found. Please check the GitHub URL."
+        else:
+            return f"GitHub API error: {str(e)}"
     except Exception as e:
         return f"An error occurred: {str(e)}"