Fix environment variables

app.py

@@ -257,12 +257,12 @@ class ModelComparisonApp:
             )
 
 if __name__ == "__main__":
-    PRIVATE_KEY = os.getenv('PRIVATE_KEY')
-    PRIVATE_KEY_ID = os.getenv('PRIVATE_KEY_ID')
+    PRIVATE_KEY = os.environ.get('PRIVATE_KEY').replace('\\n', '\n')
+    PRIVATE_KEY_ID = os.environ.get('PRIVATE_KEY_ID').replace('\\n', '\n')
     variables_keys = {
         "type": "service_account",
         "project_id": "summer-presence-450117-r7",
-        "private_key_id": "427fe03954113ce7174febe50871c7beba0384cc",
+        "private_key_id": PRIVATE_KEY_ID,
         "private_key": PRIVATE_KEY,
         "client_email": "model-blind-comparison@summer-presence-450117-r7.iam.gserviceaccount.com",
         "client_id": "117681363507032419648",