ModuleNotFoundError: No module named 'distutils.util'

I’m trying to install erpnext. Everything was going well until I installed the frappe-bench, I ended up with the below error.

ubuntu@ip-172-26-4-19:~$ sudo -H pip3 install frappe-bench
Traceback (most recent call last):
File “/usr/bin/pip3”, line 11, in
load_entry_point(‘pip==20.0.2’, ‘console_scripts’, ‘pip3’)()
File “/usr/lib/python3/dist-packages/pkg_resources/init.py”, line 490, in load_entry_point
return get_distribution(dist).load_entry_point(group, name)
File “/usr/lib/python3/dist-packages/pkg_resources/init.py”, line 2854, in load_entry_point
return ep.load()
File “/usr/lib/python3/dist-packages/pkg_resources/init.py”, line 2445, in load
return self.resolve()
File “/usr/lib/python3/dist-packages/pkg_resources/init.py”, line 2451, in resolve
module = import(self.module_name, fromlist=[‘name’], level=0)
File “/usr/lib/python3/dist-packages/pip/_internal/cli/main.py”, line 10, in
from pip._internal.cli.autocompletion import autocomplete
File “/usr/lib/python3/dist-packages/pip/_internal/cli/autocompletion.py”, line 9, in
from pip._internal.cli.main_parser import create_main_parser
File “/usr/lib/python3/dist-packages/pip/_internal/cli/main_parser.py”, line 7, in
from pip._internal.cli import cmdoptions
File “/usr/lib/python3/dist-packages/pip/_internal/cli/cmdoptions.py”, line 19, in
from distutils.util import strtobool
ModuleNotFoundError: No module named ‘distutils.util’