run in centos7, all was good before, after i install vnc-server, then plt.show() failed, i call show(), the program block and no response.
plt.plot( ... details that work and not the problem ... )
plt.show()
the error message:
QXcbConnection: XCB error: 148 (Unknown), sequence: 169, resource id: 0, major code: 140 (Unknown), minor code: 20
can anyone help? i have worked on this so many time, bothered me a lot
Thanks