help me in fixing this error!! [module 'supervision' has no attribute 'PolygonZone']

[Abhijnan-Maji]

import numpy as np
import supervision as sv

initiate polygon zone

polygon = np.array([
[200, 3840],
[1300, 600],
[1325, 600],
[550, 3840]
])
video_info = sv.VideoInfo.from_video_path(SUBWAY_VIDEO_PATH)
zone = sv.PolygonZone(polygon=polygon, frame_resolution_wh=video_info.resolution_wh)

initiate annotators

box_annotator = sv.BoxAnnotator(thickness=4, text_thickness=4, text_scale=2)
zone_annotator = sv.PolygonZoneAnnotator(zone=zone, color=sv.Color.white(), thickness=6, text_thickness=6, text_scale=4)

def process_frame(frame: np.ndarray, i: int) -> np.ndarray:
print('frame', i)
# detect
outputs = predictor(frame)
detections = sv.Detections(
xyxy=outputs["instances"].pred_boxes.tensor.cpu().numpy(),
confidence=outputs["instances"].scores.cpu().numpy(),
class_id=outputs["instances"].pred_classes.cpu().numpy().astype(int)
)
detections = detections[detections.class_id == 0]
zone.trigger(detections=detections)

# annotate
box_annotator = sv.BoxAnnotator(thickness=4, text_thickness=4, text_scale=2)
frame = box_annotator.annotate(scene=frame, detections=detections, skip_label=True)
frame = zone_annotator.annotate(scene=frame)

return frame

sv.process_video(source_path=SUBWAY_VIDEO_PATH, target_path=f"{HOME}/subway-result.mp4", callback=process_frame)

from IPython import display
display.clear_output()

error:

module 'supervision' has no attribute 'PolygonZone'

[SOUMIA21]

Any solution to this issue

[SkalskiP]

What version of Supervision did you install?

[SOUMIA21]

Hello @SkalskiP
For me, I tried supervision 0.1.0 , 0.2.0 and 0.3.0 . (in google colab), but still I have the same issue.