Add ruff checking for unnecessary comprehensions

src/openflexure_microscope_server/things/camera_stage_mapping.py

@@ -87,7 +87,7 @@ def make_hardware_interface(
     axes = stage.axis_names
 
     def pos2dict(pos: Sequence[float]) -> Mapping[str, float]:
-        return {k: p for k, p in zip(axes, pos)}
+        return dict(zip(axes, pos))
 
     def dict2pos(posd: Mapping[str, float]) -> Sequence[float]:
         return tuple(posd[k] for k in axes if k in posd)

src/openflexure_microscope_server/things/stage/__init__.py

@@ -80,7 +80,7 @@ class BaseStage(Thing):
 
     position = PropertyDescriptor(
         Mapping[str, int],
-        {k: 0 for k in _axis_names},
+        dict.fromkeys(_axis_names, 0),
         description="Current position of the stage",
         readonly=True,
         observable=True,

src/openflexure_microscope_server/things/stage/dummy.py

@@ -91,5 +91,5 @@ class DummyStage(BaseStage):
         It is intended for use after manually or automatically recentring the
         stage.
         """
-        self.position = {k: 0 for k in self.axis_names}
+        self.position = dict.fromkeys(self.axis_names, 0)
         self.instantaneous_position = self.position