Update detect.py (#629)

* Update detect.py

Update print info for relative path and absolute
otherwise the info below is misleading

Results saved to /workspace//output_path

* Update detect.py

Co-authored-by: Glenn Jocher <[email protected]>

detect.py

@@ -137,7 +137,7 @@ def detect(save_img=False):
                     vid_writer.write(im0)
 
     if save_txt or save_img:
-        print('Results saved to %s' % os.getcwd() + os.sep + out)
+        print('Results saved to %s' % Path(out))
         if platform == 'darwin' and not opt.update:  # MacOS
             os.system('open ' + save_path)