cannot open terminal with Topen ...

[misakisuna]

macOS 10.15 beta (19A558d) / macOS 10.14.5
vim 8.1.2050 install with brew

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I cannot use Topen Tclose Tclear or other instruction to deal with terminal recently.
(terminal doesn't show up or just flash and disappear.)

This seems to happen from the commit from 8/19.

With the commit at 8/18, I can still use it normally