Change @typing.overload -> @overload for Python stubs

This fixes a problem with pytype where it checks hardcoded decorators
and only includes `@overload` and not `@typing.overload`.

src/python/__init__.pyi

@@ -1,6 +1,5 @@
 import os
-import typing
-from typing import List, Optional
+from typing import List, Optional, overload
 
 import numpy as np
 import numpy.typing as npt
@@ -84,11 +83,11 @@ class Action:
 class ALEState:
     def __eq__(self, other: ALEState) -> bool: ...
     def __getstate__(self) -> tuple: ...
-    @typing.overload
+    @overload
     def __init__(self) -> None: ...
-    @typing.overload
+    @overload
     def __init__(self, state: ALEState, serialized: str) -> None: ...
-    @typing.overload
+    @overload
     def __init__(self, serialized: str) -> None: ...
     def __setstate__(self, state: tuple) -> None: ...
     def equals(self, other: ALEState) -> bool: ...
@@ -102,9 +101,9 @@ class ALEState:
 
 class ALEInterface:
     def __init__(self) -> None: ...
-    @typing.overload
+    @overload
     def act(self, action: Action) -> int: ...
-    @typing.overload
+    @overload
     def act(self, action: int) -> int: ...
     def cloneState(self, *, include_rng: bool = False) -> ALEState: ...
     def cloneSystemState(self) -> ALEState: ...
@@ -119,35 +118,35 @@ class ALEInterface:
     def getInt(self, key: str) -> int: ...
     def getLegalActionSet(self) -> List[Action]: ...
     def getMinimalActionSet(self) -> List[Action]: ...
-    @typing.overload
+    @overload
     def getRAM(self) -> npt.NDArray[np.uint8]: ...
-    @typing.overload
+    @overload
     def getRAM(self, arg0: npt.NDArray[np.uint8]) -> None: ...
     def getRAMSize(self) -> int: ...
-    @typing.overload
+    @overload
     def getScreen(self) -> npt.NDArray[np.uint8]: ...
-    @typing.overload
+    @overload
     def getScreen(self, array: npt.NDArray[np.uint8]) -> None: ...
     def getScreenDims(self) -> tuple: ...
-    @typing.overload
+    @overload
     def getScreenGrayscale(self) -> npt.NDArray[np.uint8]: ...
-    @typing.overload
+    @overload
     def getScreenGrayscale(self, array: npt.NDArray[np.uint8]) -> None: ...
-    @typing.overload
+    @overload
     def getScreenRGB(self) -> npt.NDArray[np.uint8]: ...
-    @typing.overload
+    @overload
     def getScreenRGB(self, array: npt.NDArray[np.uint8]) -> None: ...
     def getString(self, key: str) -> str: ...
     @staticmethod
-    @typing.overload
+    @overload
     def isSupportedROM(rom: os.PathLike) -> Optional[str]: ...
     @staticmethod
-    @typing.overload
+    @overload
     def isSupportedROM(rom: str) -> Optional[str]: ...
     def lives(self) -> int: ...
-    @typing.overload
+    @overload
     def loadROM(self, rom: os.PathLike) -> None: ...
-    @typing.overload
+    @overload
     def loadROM(self, rom: str) -> None: ...
     def reset_game(self) -> None: ...
     def restoreState(self, state: ALEState) -> None: ...