diff --git a/third_party/2and3/paramiko/pkey.pyi b/third_party/2and3/paramiko/pkey.pyi
index 3cbe74a93..65a636d7d 100644
--- a/third_party/2and3/paramiko/pkey.pyi
+++ b/third_party/2and3/paramiko/pkey.pyi
@@ -1,4 +1,4 @@
-from typing import IO, Any, Optional, Pattern, Text, Union
+from typing import IO, Any, Optional, Pattern, Text, Type, TypeVar, Union
 
 from paramiko.message import Message
 
@@ -6,6 +6,8 @@ OPENSSH_AUTH_MAGIC: bytes = ...
 
 def _unpad_openssh(data: bytes) -> bytes: ...
 
+_PK = TypeVar("_PK", bound=PKey)
+
 class PKey:
     public_blob: Optional[PublicBlob]
     BEGIN_TAG: Pattern[str]
@@ -22,9 +24,9 @@ class PKey:
     def sign_ssh_data(self, data: bytes) -> Message: ...
     def verify_ssh_sig(self, data: bytes, msg: Message) -> bool: ...
     @classmethod
-    def from_private_key_file(cls: Any, filename: str, password: Optional[str] = ...) -> PKey: ...
+    def from_private_key_file(cls: Type[_PK], filename: str, password: Optional[str] = ...) -> _PK: ...
     @classmethod
-    def from_private_key(cls, file_obj: IO[str], password: Optional[str] = ...) -> PKey: ...
+    def from_private_key(cls: Type[_PK], file_obj: IO[str], password: Optional[str] = ...) -> _PK: ...
     def write_private_key_file(self, filename: str, password: Optional[str] = ...) -> None: ...
     def write_private_key(self, file_obj: IO[str], password: Optional[str] = ...) -> None: ...
     def load_certificate(self, value: Union[Message, str]) -> None: ...
diff --git a/third_party/2and3/polib.pyi b/third_party/2and3/polib.pyi
index 267e47e22..4f5d0c992 100644
--- a/third_party/2and3/polib.pyi
+++ b/third_party/2and3/polib.pyi
@@ -69,7 +69,7 @@ class MOFile(_BaseFile):
 class _BaseEntry(object):
     msgid: Text
     msgstr: Text
-    msgid_plural: List[Text]
+    msgid_plural: Text
     msgstr_plural: List[Text]
     msgctxt: Text
     obsolete: bool