extract_and_paste_insect and create_yellow_background_with_insects fix

app.py

@@ -30,7 +30,7 @@ class DetectionResult:
     score: float
     label: str
     box: BoundingBox
-    mask: Optional[np.array] = None
+    mask: Optional[np.ndarray] = None
 
     @classmethod
     def from_dict(cls, detection_dict: Dict) -> 'DetectionResult':
@@ -169,4 +169,4 @@ gr.Interface(
     inputs=gr.Image(type="pil"),
     outputs=[gr.Image(type="numpy"), gr.Image(type="numpy")],
     title="🐞 Insect Detection and Masking"
-).launch()
+).launch()