removed trailing whitespace and formatted import section

data_structures/linked_list/sorted_linked_list.py

@@ -1,8 +1,7 @@
 from __future__ import annotations
 
-from typing import Optional
 from dataclasses import dataclass
-
+from typing import Optional
 # This is a sorted linked list class that creates
 # a sorted linked list of integer datatype
 
@@ -367,4 +366,4 @@ if __name__ == "__main__":
         elif choice == "4":
             break
         else:
-            print("Wrong input")
+            print("Wrong input")