Bench Install Error

Command “python setup.py egg_info” failed with error code 1 in /tmp/pip-build-CcV9CH/frappe/
Traceback (most recent call last):
File “/home/frappe/.local/bin/bench”, line 9, in
load_entry_point(‘bench==4.1.0’, ‘console_scripts’, ‘bench’)()
File “/home/frappe/bench-repo/bench/cli.py”, line 40, in cli
bench_command()
File “/home/frappe/.local/lib/python2.7/site-packages/click/core.py”, line 722, in call
return self.main(*args, **kwargs)
File “/home/frappe/.local/lib/python2.7/site-packages/click/core.py”, line 697, in main
rv = self.invoke(ctx)
File “/home/frappe/.local/lib/python2.7/site-packages/click/core.py”, line 1066, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File “/home/frappe/.local/lib/python2.7/site-packages/click/core.py”, line 895, in invoke
return ctx.invoke(self.callback, **ctx.params)
File “/home/frappe/.local/lib/python2.7/site-packages/click/core.py”, line 535, in invoke
return callback(*args, **kwargs)
File “/home/frappe/bench-repo/bench/commands/update.py”, line 58, in update
_update(pull, patch, build, bench, auto, restart_supervisor, requirements, no_backup, force=force, reset=reset)
File “/home/frappe/bench-repo/bench/commands/update.py”, line 74, in _update
update_requirements(bench_path=bench_path)
File “/home/frappe/bench-repo/bench/utils.py”, line 431, in update_requirements
install_requirements(pip, req_file)
File “/home/frappe/bench-repo/bench/utils.py”, line 495, 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 145, in exec_cmd
raise CommandFailedError(cmd)
bench.utils.CommandFailedError: ./env/bin/pip install -q -r ./apps/erpnext/requirements.txt

@Harsh_Mehta which command did you execute ?