Simplify code

ttt_game.py

@@ -1,7 +1,5 @@
-
 class TTTGame:
-    """Models a tic-tac-toe game.
-    """
+    "Models a tic-tac-toe game."
 
     def __init__(self, playerX, playerO):
         self.board = [None] * 9

ttt_player.py

@@ -1,13 +1,30 @@
 from click import Choice, prompt
 import random
 
-class TTTPlayer:
-    "A tic tac toe player."
+class TTTHumanPlayer:
+    "A human tic tac toe player."
 
     def __init__(self, name):
         "Sets up the player."
         self.name = name
 
+    def choose_move(self, game):
+        "Chooses a move by prompting the player for a choice."
+        choices = Choice([str(i) for i in game.get_valid_moves()])
+        move = prompt("> ", type=choices, show_choices=False)
+        return int(move)
+
+class TTTComputerPlayer:
+    "A computer tic tac toe player"
+
+    def __init__(self, name):
+        "Sets up the player."
+        self.name = name
+
+    def choose_move(self, game):
+        "Chooses a random move from the moves available."
+        return random.choice(game.get_valid_moves())
+
     def get_symbol(self, game):
         "Returns this player's symbol in the game."
         if game.players['X'] == self:
@@ -16,20 +33,3 @@ class TTTPlayer:
             return 'O'
         else:
             raise ValueError(f"Player {self.name} isn't in this game!")
-
-class TTTHumanPlayer(TTTPlayer):
-    "A human tic tac toe player."
-
-    def choose_move(self, game):
-        "Chooses a move by prompting the player for a choice."
-        choices = Choice([str(i) for i in game.get_valid_moves()])
-        move = prompt("> ", type=choices, show_choices=False)
-        return int(move)
-
-class TTTComputerPlayer(TTTPlayer):
-    "A computer tic tac toe player"
-
-    def choose_move(self, game):
-        "Chooses a random move from the moves available."
-        return random.choice(game.get_valid_moves())
-

ttt_view.py

@@ -1,8 +1,7 @@
 import click
 
 class TTTView:
-    """Handles user interaction with a tic-tac-toe game.
-    """
+    "Handles user interaction with a tic-tac-toe game."
     greeting = "Welcome to tic-tac-toe"
     goodbye = "Well, that's a wrap."
     divider = "---+---+---"