Fixed some lint/type issues.

Author: BatuhanSA

pacai/core/board.py

@@ -164,7 +164,7 @@ def apply_action(self, action: pacai.core.action.Action) -> 'Position':
 
         return self.add(offset)
 
-    def __lt__(self, other: 'Position') -> bool:
+    def __lt__(self, other: 'Position') -> bool:  # type: ignore[override]
         return (self._hash < other._hash)
 
     def __eq__(self, other: object) -> bool:

pacai/core/mdp.py

@@ -54,7 +54,7 @@ def __init__(self,
     def is_terminal(self) -> bool:
         return (self.position == TERMINAL_POSITION)
 
-    def __lt__(self, other: 'MDPStatePosition') -> bool:
+    def __lt__(self, other: 'MDPStatePosition') -> bool:  # type: ignore[override]
         return (self.position < other.position)
 
     def __eq__(self, other: object) -> bool:

pacai/gridworld/mdp.py

@@ -132,7 +132,7 @@ def get_transitions(self, state: pacai.core.mdp.MDPStatePosition, action: pacai.
         if (action not in possible_actions):
             raise ValueError(f"Got an illegal action '{action}'. Available actions are: {possible_actions}.")
 
-        (north_state, east_state, south_state, west_state) = self._get_move_states(state)
+        (north_state, east_state, south_state, west_state) = self._get_move_states(state)  # pylint: disable=unbalanced-tuple-unpacking
 
         transitions = []