Fixes for recent mypy

Including ALPN typing which was totally broken

src/OpenSSL/SSL.py

@@ -289,9 +289,9 @@ class _NoOverlappingProtocols:
 _ALPNSelectCallback = Callable[
     [
         "Connection",
-        typing.Union[typing.List[bytes], _NoOverlappingProtocols],
+        typing.List[bytes],
     ],
-    None,
+    typing.Union[bytes, _NoOverlappingProtocols],
 ]
 _CookieGenerateCallback = Callable[["Connection"], bytes]
 _CookieVerifyCallback = Callable[["Connection", bytes], bool]
@@ -1889,7 +1889,7 @@ def __init__(
         # Negotiation. These strings get copied at some point but it's well
         # after the callback returns, so we have to hang them somewhere to
         # avoid them getting freed.
-        self._alpn_select_callback_args = None
+        self._alpn_select_callback_args: Any = None
 
         # Reference the verify_callback of the Context. This ensures that if
         # set_verify is called again after the SSL object has been created we

src/OpenSSL/_util.py

@@ -7,7 +7,7 @@
 
 from cryptography.hazmat.bindings.openssl.binding import Binding
 
-StrOrBytesPath = Union[str, bytes, os.PathLike]
+StrOrBytesPath = Union[str, bytes, os.PathLike[str], os.PathLike[bytes]]
 
 binding = Binding()
 ffi = binding.ffi

src/OpenSSL/crypto.py

@@ -87,7 +87,7 @@
     rsa.RSAPublicKey,
 ]
 _Key = Union[_PrivateKey, _PublicKey]
-StrOrBytesPath = Union[str, bytes, PathLike]
+StrOrBytesPath = Union[str, bytes, PathLike[str], PathLike[bytes]]
 PassphraseCallableT = Union[bytes, Callable[..., bytes]]
 
 

tox.ini

@@ -43,7 +43,7 @@ commands =
 
 [testenv:py311-mypy]
 deps =
-    mypy==1.1.1
+    mypy
 skip_install = true
 commands =
     mypy src