Update app.py

app.py

@@ -187,7 +187,7 @@ else:
 
     # GitHub section
     st.subheader("🐙 GitHub Operations")
-    github_token = os.environ.get("GITHUB_TOKEN")  # Read GitHub token from environment variable
+    github_token = os.environ.get("GITHUB")  # Read GitHub token from environment variable
     source_repo = st.text_input("Source GitHub Repository URL", value="https://github.com/AaronCWacker/AIExamples-8-24-Streamlit")
     new_repo_name = st.text_input("New Repository Name (for cloning)", value=f"AIExample-Clone-{datetime.now().strftime('%Y%m%d_%H%M%S')}")