meson build error on gedit-3.32.2

[Tatsuro MATSUOKA]

I am trying to build gedit-3.32.2 by meson.
$ meson _build
   :
<snip>
    :
Program python3 found: YES (/usr/bin/python3)
WARNING: Python files installed by Meson might not be found by python interpreter.
 This warning can be avoided by setting "python.platlibdir" option.
WARNING: Python files installed by Meson might not be found by python interpreter.
 This warning can be avoided by setting "python.purelibdir" option.
Configuring config.h using configuration

data/meson.build:19:0: ERROR: Function does not take positional arguments.

Please give me suggestions for setting "python.platlibdir" and  "python.purelibdir" options.

Tatsuro