Typehint added and import removed.

src/openflexure_microscope_server/things/stage_measure.py

@@ -14,7 +14,6 @@ this is 10% of the expected motion is the measured axis.
 """
 
 import numpy as np
-import cv2
 from typing import Literal
 from PIL import Image
 import time
@@ -94,6 +93,7 @@ def _predict_z(
 
     return z_dest - stage.position["z"]
 
+
 def _move_and_measure(
     step_size: dict[str, float],
     axis: Literal["x", "y"],
@@ -175,6 +175,7 @@ def _acquire_z_predict_points(
             autofocus=autofocus,
             cam=cam,
         )
+
         logger.info(f"Offset measured as {data.delta[axis]}")
 
         data.measure(stage.position, offset)
@@ -282,7 +283,7 @@ def _motion_detection(
     stage: StageDep,
     cam: CamDep,
     logger: lt.deps.InvocationLogger,
-) -> dict:
+) -> dict[str, int]:
     """Move the stage until motion is detected along a specified axis and direction.
 
     :params axis: The axis in which the stage is moving. This must be 'x' or 'y'.
@@ -523,9 +524,9 @@ class RangeofMotionThing(lt.Thing):
                 direction=axis_dir[1],
             )
             # Save results from single axis and direction
-            rom_results[f"{'positive' if axis_dir[1] == 1 else 'negative'} {axis_dir[0]}"] = (
-                axis_dir_results
-            )
+            rom_results[
+                f"{'positive' if axis_dir[1] == 1 else 'negative'} {axis_dir[0]}"
+            ] = axis_dir_results
 
         end_time = time.time()
         total_time = (end_time - start_time) / 60