Update app.py

app.py

@@ -54,8 +54,10 @@ def translate_text(text, target_language):
 def initialize_firebase():
     try:
         if not firebase_admin._apps:
-            firebase_config = json.loads(os.environ['FIREBASE_CREDS_JSON'])
-            cred = credentials.Certificate(firebase_config)
+            # Load JSON from env and convert to file-like object
+            firebase_json = os.environ['FIREBASE_CREDS_JSON']
+            cred = credentials.Certificate(io.StringIO(firebase_json))
+            
             firebase_app = initialize_app(cred, {
                 'databaseURL': firebaseConfig['databaseURL']
             })