Update backend/backend.py

backend/backend.py

@@ -7,7 +7,7 @@ from oauth2client.service_account import ServiceAccountCredentials
 
 class Backend:
     def __init__(self, sheet_name: str, credentials: str):
-        creds_dict = json.load(open(credentials))
+        creds_dict = json.loads(credentials)
         scope = [
             "https://spreadsheets.google.com/feeds",
             "https://www.googleapis.com/auth/drive",