Update to latest version error

HI,

i want to update and im wondering what was caused this
Command “python setup.py egg_info” failed with error code 1 in /tmp/pip-DCOJwP-build/
Traceback (most recent call last):
File “/usr/local/bin/bench”, line 9, in
load_entry_point(‘bench==3.0.0’, ‘console_scripts’, ‘bench’)()
File “/home/frappe/bench-repo/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-repo/bench/commands/update.py”, line 134, in switch_to_master
switch_to_master(upgrade=upgrade, apps=[‘frappe’, ‘erpnext’])
File “/home/frappe/bench-repo/bench/app.py”, line 277, in switch_to_master
switch_branch(‘master’, apps=apps, bench_path=bench_path, upgrade=upgrade)
File “/home/frappe/bench-repo/bench/app.py”, line 265, in switch_branch
update_requirements()
File “/home/frappe/bench-repo/bench/utils.py”, line 375, in update_requirements
install_requirements(pip, req_file)
File “/home/frappe/bench-repo/bench/utils.py”, line 379, in install_requirements
exec_cmd("{pip} install -q -r {req_file}".format(pip=pip, req_file=req_file))
File “/home/frappe/bench-repo/bench/utils.py”, line 127, in exec_cmd
raise CommandFailedError(cmd)
bench.utils.CommandFailedError: ./env/bin/pip install -q -r ./apps/jasper_erpnext_report/requirements.txt

i have install the node js… and im using bench switch-to-master --upgrade commands
please helpl and advise

Thanks
Bobby

FOrget it… i manage to fix it with this command
pip install --upgrade mysql-python