Traceback (most recent call last):
  File "/usr/bin/g-ir-scanner", line 98, in <module>
    from giscanner.scannermain import scanner_main
  File "/usr/lib/gobject-introspection/giscanner/scannermain.py", line 35, in <module>
    from giscanner.ast import Include, Namespace
  File "/usr/lib/gobject-introspection/giscanner/ast.py", line 29, in <module>
    from .sourcescanner import CTYPE_TYPEDEF, CSYMBOL_TYPE_TYPEDEF
  File "/usr/lib/gobject-introspection/giscanner/sourcescanner.py", line 25, in <module>
    from .ccompiler import CCompiler
  File "/usr/lib/gobject-introspection/giscanner/ccompiler.py", line 29, in <module>
    from distutils.msvccompiler import MSVCCompiler
ModuleNotFoundError: No module named 'distutils.msvccompiler'

$ emerge -pvq networkmanager
[ebuild     U ] net-misc/networkmanager-1.38.4 [1.38.2] USE="bluetooth concheck connection-sharing elogind gtk-doc introspection iptables modemmanager nss policykit ppp resolvconf tools vala wext wifi -audit -debug -dhclient -dhcpcd -gnutls -iwd -libedit -lto -nftables -ofono -ovs -psl (-selinux) -syslog -teamd -test"