bench update error kindly help thanks
root@ubuntu-1gb-lon1:/home/frappe/frappe-bench# bench update
INFO:bench.utils:updating bench
Updating ed846f2..a8312f6
error: Your local changes to the following files would be overwritten by merge:
bench/cli.py
bench/commands/setup.py
bench/commands/utils.py
playbooks/develop/includes/wkhtmltopdf_centos.yml
playbooks/develop/includes/wkhtmltopdf_ubuntu_debian.yml
playbooks/develop/ubuntu.yml
vm/ansible/roles/wkhtmltopdf/defaults/main.yml
vm/ansible/roles/wkhtmltopdf/tasks/main.yml
Please, commit your changes or stash them before you can merge.
Aborting
Traceback (most recent call last):
File "/usr/local/bin/bench", line 11, in <module>
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 716, in __call__
return self.main(*args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 696, in main
rv = self.invoke(ctx)
File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 1060, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 889, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 534, in invoke
return callback(*args, **kwargs)
File "/home/frappe/.bench/bench/commands/update.py", line 34, in update
update_bench()
File "/home/frappe/.bench/bench/utils.py", line 227, in update_bench
exec_cmd("git pull", cwd=cwd)
File "/home/frappe/.bench/bench/utils.py", line 127, in exec_cmd
raise CommandFailedError(cmd)
bench.utils.CommandFailedError: git pull