pkg/54846: qgis-3.8.3 installation error

[guest01%nowhere.org@localhost]

>Number:         54846
>Category:       pkg
>Synopsis:       qgis-3.8.3 installation error
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Jan 08 18:40:00 +0000 2020
>Originator:     guest01
>Release:        ftp.netbsd.org/pub/pkgsrc/current/pkgsrc.tar.bz2
>Organization:
-
>Environment:
NetBSD localhost 8.0 NetBSD 8.0 (GENERIC) #0: Tue Jul 17 14:59:51 UTC 2018  mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/amd64/compile/GENERIC amd64

>Description:
When I install qgis from source package the installation is stopped with error:

===> Creating toolchain wrappers for py27-expat-2.7.17
ERROR: python27>=2.7 python27>=2.7 python27>=2.7.17 is not installed; can't buildlink files.
*** Error code 1

Stop.
make[8]: stopped in /usr/pkgsrc/textproc/py-expat
*** Error code 1

Stop.
make[7]: stopped in /usr/pkgsrc/textproc/py-expat
*** Error code 1

Stop.
make[6]: stopped in /usr/pkgsrc/textproc/py-expat
*** Error code 1

Stop.
make[5]: stopped in /usr/pkgsrc/x11/gtk2
*** Error code 1

Stop.
make[4]: stopped in /usr/pkgsrc/net/avahi
*** Error code 1
Stop.
make[3]: stopped in /usr/pkgsrc/audio/pulseaudio
*** Error code 1

Stop.
make[2]: stopped in /usr/pkgsrc/x11/qt5-qtmultimedia
*** Error code 1

Stop.
make[1]: stopped in /usr/pkgsrc/x11/py-qt5
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/geography/qgis

>How-To-Repeat:
You have computer without any packages installed.

Go to /usr/pkgsrc/geography/qgis direcotry.
Run command: make install
>Fix:
My fix was to install python27 from binary package.
Then run make install second time and then the installation succeeded.