humandetect: revise camera configure api

opencv-yolo/web/web.py

@@ -217,6 +217,7 @@ def take_task(task):
     else:
         # process
         task["region"] = getRegionConfig(task['cameraId'])
+        print("got region for ipc {}: {}", task['cameraId'], json.dumps(task["region"]))
         video_analysis.apply_async(args=[task])
     print(json.dumps(ret))
     return ret