human detect: bugfix

opencv-yolo/web/web.py

@@ -188,6 +188,7 @@ worker.conf.update(
 
 def getRegionConfig(ipcSN):
     region = None
+    res = None
     reqUrl = API_HOST + API_CAMERA_CFG_URI.format(ipcSN)
     if ipcSN in CAMERA_CONFIG_MAP and type(CAMERA_CONFIG_MAP[ipcSN]) is dict:
         region = CAMERA_CONFIG_MAP[ipcSN]['region']