Update mtpnet_demo.py

mtpnet_demo.py

@@ -35,7 +35,7 @@ def detect(path, task, thickness, color, alpha):
     global mtpnet
     if mtpnet is None:
         ort.set_default_logger_severity(4)
-        mtpnet = ort.InferenceSession('../weights/' + opt.weights)
+        mtpnet = ort.InferenceSession(opt.weights)
 
     # Set Dataloader
     dataset = LoadImages(opt.source, img_size=opt.img_size)