remove unused codes

pojo/ReserveResultPojo.py

@@ -1,5 +1,7 @@
 from dataclasses import dataclass
 from enum import Enum
+from typing import Union
+
 from dataclasses_json import dataclass_json
 
 
@@ -15,9 +17,9 @@ class ReserveResultPojo:
     phone: str
     message: str
     url: str
-    firstName: None
-    lastName: None
-    email: None
+    firstName: Union[None, str]
+    lastName: Union[None, str]
+    email: Union[None, str]
     id = None
     accepted = None
     passport: str = ""