Update app.py

app.py

@@ -1,18 +1,20 @@
 from git import Repo
 import os
 
+# Retrieve the environment variables
+GITHUB_PAT = os.getenv('GITHUB_PAT')
+GIT_id = os.getenv('GIT_id')
+GIT_repo = os.getenv('GIT_repo')
 
-
-GITHUB_PAT = os.environ['GITHUB']
-GIT_id = os.environ['GIT_id']
-GIT_repo = os.environ['GIT_repo']
-
-if GITHUB_PAT != []:
+if GITHUB_PAT:
     print("GITHUB_PAT set")
 
+# Ensure the cloned_repo directory does not already exist
 if not os.path.exists('cloned_repo'):  
-    Repo.clone_from(f'https://{GIT_id}:{GITHUB_PAT}@github.com/{GIT_id}/{GIT_repo}.git' , './cloned_repo'  )
+    # Clone the repository using the Personal Access Token for authentication
+    Repo.clone_from(f'https://{GIT_id}:{GITHUB_PAT}@github.com/{GIT_id}/{GIT_repo}.git', './cloned_repo')
 
+# Import the main module from the cloned repository
 import cloned_repo.main as main
 from cloned_repo.main import *