Strict typing of signal repeater (#437)

mypy.ini

@@ -190,3 +190,25 @@ disallow_untyped_defs = true
 no_implicit_optional = true
 warn_return_any = true
 warn_unreachable = true
+
+[mypy-pytradfri.device.signal_repeater]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+no_implicit_optional = true
+warn_return_any = true
+warn_unreachable = true
+
+[mypy-pytradfri.device.signal_repeater_control]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+no_implicit_optional = true
+warn_return_any = true
+warn_unreachable = true

pytradfri/device/signal_repeater.py

@@ -1,13 +1,16 @@
 """Represent a signal repeater."""
 from __future__ import annotations
 
-from typing import Any
+from typing import TYPE_CHECKING, Any
+
+if TYPE_CHECKING:
+    from . import Device
 
 
 class SignalRepeater:
     """Represent a signal repeater."""
 
-    def __init__(self, device, index):
+    def __init__(self, device: Device, index: int) -> None:
         """Create object of class."""
         self.device = device
         self.index = index

pytradfri/device/signal_repeater_control.py

@@ -18,6 +18,6 @@ def raw(self) -> list[dict[str, Any]]:
         return signal_repeater_control_response
 
     @property
-    def signal_repeaters(self):
+    def signal_repeaters(self) -> list[SignalRepeater]:
         """Return signal repeater objects of the signal repeater control."""
         return [SignalRepeater(self._device, i) for i in range(len(self.raw))]