fix: numpy.ndarray and str compare

app.py

@@ -54,7 +54,7 @@ def detect(
     for pred in preds:
         box = pred["bbox"]
         box, score = box[:4], box[4]
-        if score < face_score_threshold:
+        if score < float(face_score_threshold):
             continue
         box = np.round(box).astype(int)
 
@@ -64,7 +64,7 @@ def detect(
 
         pred_pts = pred["keypoints"]
         for *pt, score in pred_pts:
-            if score < landmark_score_threshold:
+            if score < float(landmark_score_threshold):
                 color = (0, 255, 255)
             else:
                 color = (0, 0, 255)