fix($app): only return detected faces instead of features

app.py

@@ -31,12 +31,16 @@ def detect(img_raw):
 
         vis_threshold = 0.8
 
+        face_count = 0  # Initialize face counter
+
         for b in dets:
             if b.score < vis_threshold:
                 continue
 
             # Draw face bounding box
             img_vis = cv2.rectangle(img_vis, b.top_left.int().tolist(), b.bottom_right.int().tolist(), (0, 255, 0), 4)
+            face_count += 1  # Increment face counter
+
             # Draw Keypoints
             img_vis = draw_keypoint(img_vis, b, FaceKeypoint.EYE_LEFT)
             img_vis = draw_keypoint(img_vis, b, FaceKeypoint.EYE_RIGHT)
@@ -44,7 +48,7 @@ def detect(img_raw):
             img_vis = draw_keypoint(img_vis, b, FaceKeypoint.MOUTH_LEFT)
             img_vis = draw_keypoint(img_vis, b, FaceKeypoint.MOUTH_RIGHT)
 
-        return img_vis, len(dets)
+        return img_vis, face_count
 
 
 title = "Crowd Counter"
@@ -57,7 +61,7 @@ examples = ['sample.jpeg']
 
 face = gr.Interface(
     detect,
-    gr.inputs.Image(type="numpy"),
+    gr.Image(type="numpy"),
     outputs=outputs,
     examples=examples,
     title=title,