Not able to install the nnstreamer

[immnas]

Hi,
I am following the exact steps mentioned in below link
https://eyecloudai.github.io/opennccframe/getting-started/install-from-repo/install-ncc-elements-into-nnstreamer.html

At step 2
when i run
sudo ninja -C build install
i get following error

ninja: Entering directory `build'
[6/26] Generating symbol file 'gst/nnstreamer/73d9e45@@nnstreamer@sha/libnnstreamer.so.symbols'.
FAILED: gst/nnstreamer/73d9e45@@nnstreamer@sha/libnnstreamer.so.symbols
/home/name/.local/bin/meson --internal symbolextractor gst/nnstreamer/libnnstreamer.so 'gst/nnstreamer/73d9e45@@nnstreamer@sha/libnnstreamer.so.symbols'
Traceback (most recent call last):
File "/home/name/.local/bin/meson", line 5, in
from mesonbuild.mesonmain import main
ModuleNotFoundError: No module named 'mesonbuild'
[11/26] Compiling C object 'tools/development/parser/3ebd7e6@@nnstreamer-parser@exe/meson-generated_.._grammar.tab.c.o'.
ninja: build stopped: subcommand failed.