Fix typo

wordle_env/const.py

@@ -1,4 +1,4 @@
 WORDLE_CHARS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
 WORDLE_N = 5
 REWARD = 10
-CHAR_REWARD = 0.1
+CHAR_REWARD = 1

wordle_env/state.py

@@ -138,7 +138,7 @@ def update_mask(state: WordleState, word: str, goal_word: str) -> WordleState:
     return update_from_mask(state, word, mask)
 
 
-def update(state: WordleState, word: str, goal_word: str) -> Tuple(WordleState, float):
+def update(state: WordleState, word: str, goal_word: str) -> Tuple[WordleState, float]:
     state = state.copy()
     reward = 0
     state[0] -= 1