Should have handled username updating code in the command, didn't need to create new functions for the command.

classes/category.py

@@ -153,15 +153,19 @@ class Category:
             return self._scores_map[user]
         return None
 
-    def remove_score(self, score: str) -> None:
+    def remove_score(self, user: str) -> Score:
         """
         Removes a user's score from dictionary storage.
 
         Args:
-            score (str): user whose score to remove
+            user (str): user whose score to remove
+
+        Returns:
+            Score: User's Score or None
         """
-        score = self._scores_map.pop(score)
-        del score
+        if user in self._scores_map:
+            return self._scores_map.pop(user)
+        return None
 
     def to_dict(self) -> dict:
         """
@@ -188,27 +192,3 @@ class Category:
             str: string of json representation of Category
         """
         return json.dumps(self.to_dict(), indent=4)
-
-    def update_username(self, old_username: str, new_username: str) -> bool:
-        """
-        Checks score map for old username. Pops old username to remove from map.
-        Updates score's username and calls self.add_score with new score to add back
-        to map and sort.
-
-        Args:
-            old_username (str): Username to replace
-            new_username (str): Username to replace with
-
-        Returns:
-            bool: True indicating a score was updated, False otherwise
-        """
-
-        ret_val: bool = False
-
-        if old_username in self._scores_map:
-            ret_val = True
-            score: Score = self._scores_map.pop(old_username)
-            score.user = new_username
-            self.add_score(score)
-
-        return ret_val