If this template helps then use it. If not then just delete and start from scratch.

OS (e.g. Win10): win10
PsychoPy version (e.g. 1.84.x):
Standard Standalone? (y/n) If not then what?: y
What are you trying to achieve?: send triger to MEG

**What specifically went wrong when you tried that?:**it said NoneType object is not callable.

this wrong was due to the port adress or others? Hope I can get some help from you. thank you.