Trying to update to python 3 on latest v12

I tried

sudo apt-get install python3-dev
bench migrate-env python3
bench restart
bench update
And got this error and not sure what to do…

INFO:bench.utils:find . -name “*.pyc” -delete
find: cannot delete ‘./frappe/www/pycache/printview.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/www/pycache/message.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/www/pycache/init.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/website/doctype/top_bar_item/pycache/top_bar_item.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/website/doctype/top_bar_item/pycache/init.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/social/pycache/init.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/social/doctype/energy_point_log/pycache/init.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/social/doctype/energy_point_log/pycache/energy_point_log.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/social/doctype/pycache/init.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/social/doctype/post/pycache/post.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/social/doctype/post/pycache/init.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/social/doctype/energy_point_settings/pycache/energy_point_settings.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/social/doctype/energy_point_settings/pycache/init.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/email/pycache/inbox.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/email/pycache/init.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/core/doctype/domain_settings/pycache/domain_settings.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/core/doctype/domain_settings/pycache/init.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/core/doctype/docperm/pycache/docperm.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/core/doctype/docperm/pycache/init.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/core/doctype/has_domain/pycache/has_domain.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/core/doctype/has_domain/pycache/init.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/core/doctype/docfield/pycache/docfield.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/core/doctype/docfield/pycache/init.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/core/doctype/comment/pycache/comment.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/core/doctype/comment/pycache/init.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/core/doctype/user/pycache/user.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/core/doctype/user/pycache/init.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/core/doctype/activity_log/pycache/activity_log.cpython-35.pyc’: Permission denied
find: cannot delete ‘./frappe/core/doctype/activity_log/pycache/init.cpython-35.pyc’: Permission denied
Traceback (most recent call last):
File “/usr/local/bin/bench”, line 11, in
load_entry_point(‘bench’, ‘console_scripts’, ‘bench’)()
File “/home/frappe/.bench/bench/cli.py”, line 40, in cli
bench_command()
File “/usr/local/lib/python2.7/dist-packages/click/core.py”, line 764, in call
return self.main(args, **kwargs)
File “/usr/local/lib/python2.7/dist-packages/click/core.py”, line 717, in main
rv = self.invoke(ctx)
File “/usr/local/lib/python2.7/dist-packages/click/core.py”, line 1137, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File “/usr/local/lib/python2.7/dist-packages/click/core.py”, line 956, in invoke
return ctx.invoke(self.callback, **ctx.params)
File “/usr/local/lib/python2.7/dist-packages/click/core.py”, line 555, in invoke
return callback(args, **kwargs)
File “/home/frappe/.bench/bench/commands/update.py”, line 61, in update
_update(pull, patch, build, bench, auto, restart_supervisor, restart_systemd, requirements, no_backup, force=force, reset=reset)
File “/home/frappe/.bench/bench/commands/update.py”, line 81, in _update
pull_all_apps(bench_path=bench_path, reset=reset)
File “/home/frappe/.bench/bench/app.py”, line 251, in pull_all_apps
exec_cmd('find . -name "
.pyc" -delete’, cwd=app_dir)
File “/home/frappe/.bench/bench/utils.py”, line 161, in exec_cmd
raise CommandFailedError(cmd)
bench.utils.CommandFailedError: find . -name "
.pyc" -delete