diff --git a/vivintpy/devices/door_lock.py b/vivintpy/devices/door_lock.py
index 238a250..223ee7b 100644
--- a/vivintpy/devices/door_lock.py
+++ b/vivintpy/devices/door_lock.py
@@ -2,6 +2,8 @@
 
 from __future__ import annotations
 
+from typing import cast
+
 from ..const import LockAttribute
 from ..const import ZWaveDeviceAttribute as Attribute
 from ..utils import send_deprecation_warning
@@ -30,7 +32,7 @@ def node_online(self) -> bool:
     @property
     def user_code_list(self) -> list[int]:
         """Return the user code list."""
-        return self.data.get(LockAttribute.USER_CODE_LIST, [])
+        return cast(list[int], self.data.get(LockAttribute.USER_CODE_LIST, []))
 
     async def set_state(self, locked: bool) -> None:
         """Set door lock's state."""
diff --git a/vivintpy/system.py b/vivintpy/system.py
index 5f943c2..d3a98ec 100644
--- a/vivintpy/system.py
+++ b/vivintpy/system.py
@@ -78,7 +78,7 @@ async def refresh(self) -> None:
     def update_user_data(self, data: list[dict]) -> None:
         """Update user data."""
         for d in data:
-            user = first_or_none(self.users, lambda user, d=d: user.id == d["_id"])
+            user = first_or_none(self.users, lambda user: user.id == d["_id"])
             if not user:
                 _LOGGER.debug("User not found for system %s: %s", self.id, d)
                 return
diff --git a/vivintpy/user.py b/vivintpy/user.py
index d7c7a6c..7589ff4 100644
--- a/vivintpy/user.py
+++ b/vivintpy/user.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, cast
 
 from .const import UserAttribute as Attribute
 from .entity import Entity
@@ -28,22 +28,22 @@ def __repr__(self) -> str:
     @property
     def has_lock_pin(self) -> bool:
         """Return True if the user has pins."""
-        return self.data[Attribute.HAS_LOCK_PIN]
+        return bool(self.data[Attribute.HAS_LOCK_PIN])
 
     @property
     def has_panel_pin(self) -> bool:
         """Return True if the user has pins."""
-        return self.data[Attribute.HAS_PANEL_PIN]
+        return bool(self.data[Attribute.HAS_PANEL_PIN])
 
     @property
     def has_pins(self) -> bool:
         """Return True if the user has pins."""
-        return self.data[Attribute.HAS_PINS]
+        return bool(self.data[Attribute.HAS_PINS])
 
     @property
     def has_remote_access(self) -> bool:
         """Return True if the user has remote access."""
-        return self.data[Attribute.REMOTE_ACCESS]
+        return bool(self.data[Attribute.REMOTE_ACCESS])
 
     @property
     def id(self) -> int:  # pylint: disable=invalid-name
@@ -53,22 +53,22 @@ def id(self) -> int:  # pylint: disable=invalid-name
     @property
     def is_admin(self) -> bool:
         """Return True if the user is an admin."""
-        return self.data[Attribute.ADMIN]
+        return bool(self.data[Attribute.ADMIN])
 
     @property
     def is_registered(self) -> bool:
         """Return True if the user is registered."""
-        return self.data[Attribute.REGISTERED]
+        return bool(self.data[Attribute.REGISTERED])
 
     @property
     def lock_ids(self) -> list[int]:
         """User's lock ids."""
-        return self.data.get(Attribute.LOCK_IDS, [])
+        return cast(list[int], self.data.get(Attribute.LOCK_IDS, []))
 
     @property
     def name(self) -> str:
         """User's name."""
-        return self.data[Attribute.NAME]
+        return str(self.data[Attribute.NAME])
 
     def handle_pubnub_message(self, message: dict) -> None:
         """Handle a pubnub message addressed to this user."""