Update stubs for Crypto.Random (#3546)

third_party/2and3/Crypto/Random/__init__.pyi

@@ -1 +1,5 @@
-def new(*args, **kwargs): ...
+from typing import Any
+
+def new(*args: Any, **kwargs: Any): ...
+def atfork() -> None: ...
+def get_random_bytes(n: int) -> bytes: ...

third_party/2and3/Crypto/Random/random.pyi

@@ -1,17 +1,19 @@
-from typing import Any, Optional
+from typing import Any, List, Optional, Sequence, TypeVar
+
+_T = TypeVar('_T')
 
 class StrongRandom:
     def __init__(self, rng: Optional[Any] = ..., randfunc: Optional[Any] = ...) -> None: ...
-    def getrandbits(self, k): ...
-    def randrange(self, *args): ...
-    def randint(self, a, b): ...
-    def choice(self, seq): ...
-    def shuffle(self, x): ...
-    def sample(self, population, k): ...
+    def getrandbits(self, k: int) -> int: ...
+    def randrange(self, *args: int) -> int: ...
+    def randint(self, a: int, b: int) -> int: ...
+    def choice(self, seq: Sequence[_T]) -> _T: ...
+    def shuffle(self, x: Sequence[Any]): ...
+    def sample(self, population: Sequence[_T], k: int) -> List[_T]: ...
 
-getrandbits: Any
-randrange: Any
-randint: Any
-choice: Any
-shuffle: Any
-sample: Any
+def getrandbits(k: int) -> int: ...
+def randrange(*args: int) -> int: ...
+def randint(a: int, b: int) -> int: ...
+def choice(seq: Sequence[_T]) -> _T: ...
+def shuffle(x: Sequence[Any]): ...
+def sample(population: Sequence[_T], k: int) -> List[_T]: ...