Update app.py

app.py

@@ -15,7 +15,10 @@ def masks_to_overlay(image, masks):
 def segment_and_count(image: Image.Image, model_type: str, diameter: float):
     img_np = np.array(image.convert("RGB"))
     model = models.CellposeModel(model_type=model_type)
-    masks, _, _, _ = model.eval(img_np, diameter=None if diameter == 0 else diameter, channels=[0, 0])
+    masks, _, _ = model.eval(
+        img_np,
+        diameter=None if diameter == 0 else diameter,
+        channels=[0, 0])
 
     overlay = masks_to_overlay(img_np, masks)
     cell_count = len(np.unique(masks)) - 1  # exclude background 0