fix mypy

Signed-off-by: YunLiu <55491388+KumoLiu@users.noreply.github.com>

Author: KumoLiu

monai/apps/deepgrow/transforms.py

@@ -441,8 +441,8 @@ def __call__(self, data):
 
         if np.all(np.less(current_size, self.spatial_size)):
             cropper = SpatialCrop(roi_center=center, roi_size=self.spatial_size)
-            box_start = np.array([s.start for s in cropper.slices])
-            box_end = np.array([s.stop for s in cropper.slices])
+            box_start = [s.start for s in cropper.slices]
+            box_end = [s.stop for s in cropper.slices]
         else:
             cropper = SpatialCrop(roi_start=box_start, roi_end=box_end)
 

monai/networks/schedulers/ddpm.py

@@ -238,7 +238,7 @@ def step(
         pred_prev_sample = pred_original_sample_coeff * pred_original_sample + current_sample_coeff * sample
 
         # 6. Add noise
-        variance = 0
+        variance: torch.Tensor | int = 0
         if timestep > 0:
             noise = torch.randn(
                 model_output.size(),