Update app.py

app.py

@@ -17,8 +17,10 @@ Check it out on GitHub for more details and how to get started: {repo_url}
 st.title("GitHub to LinkedIn Post Generator")
 
 # Get GitHub token from environment variable
+import os
 
-auth = Auth.Token(GITHUB_KEY)
+api_key = os.getenv("GITHUB_KEY")
+auth = Auth.Token(api_key)
 
 # User input
 repo_input = st.text_input("Enter GitHub repository (username/repo_name):")