Adjust type hints in update entity (home-assistant#129387)

* Adjust type hints in update entity

* Update allowed return type of update_percentage

---------

Co-authored-by: Franck Nijhof <git@frenck.dev>

Author: emontnemery

homeassistant/components/update/__init__.py

@@ -226,7 +226,7 @@ class UpdateEntity(
     _attr_installed_version: str | None = None
     _attr_device_class: UpdateDeviceClass | None
     _attr_display_precision: int
-    _attr_in_progress: bool | int = False
+    _attr_in_progress: bool = False
     _attr_latest_version: str | None = None
     _attr_release_summary: str | None = None
     _attr_release_url: str | None = None
@@ -295,7 +295,7 @@ def entity_picture(self) -> str | None:
         )
 
     @cached_property
-    def in_progress(self) -> bool | int | None:
+    def in_progress(self) -> bool | None:
         """Update installation progress.
 
         Needs UpdateEntityFeature.PROGRESS flag to be set for it to be used.
@@ -442,7 +442,7 @@ def state_attributes(self) -> dict[str, Any] | None:
             in_progress = self.in_progress
             update_percentage = self.update_percentage if in_progress else None
             if type(in_progress) is not bool and isinstance(in_progress, int):
-                update_percentage = in_progress
+                update_percentage = in_progress  # type: ignore[unreachable]
                 in_progress = True
         else:
             in_progress = self.__in_progress

pylint/plugins/hass_enforce_type_hints.py

@@ -2568,7 +2568,7 @@ class ClassTypeHintMatch:
                 ),
                 TypeHintMatch(
                     function_name="in_progress",
-                    return_type=["bool", "int", None],
+                    return_type=["bool", None],
                 ),
                 TypeHintMatch(
                     function_name="latest_version",
@@ -2590,6 +2590,10 @@ class ClassTypeHintMatch:
                     function_name="title",
                     return_type=["str", None],
                 ),
+                TypeHintMatch(
+                    function_name="update_percentage",
+                    return_type=["int", "float", None],
+                ),
                 TypeHintMatch(
                     function_name="install",
                     arg_types={1: "str | None", 2: "bool"},