im doing a bench update and im getting this as the error
frappe@erpnext:~/frappe-bench$ bench update
Traceback (most recent call last):
File "/usr/local/bin/bench", line 9, in <module>
load_entry_point('bench==2.1.0', '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 30, in update
patches.run(bench_path='.')
File "/home/frappe/bench-repo/bench/patches/__init__.py", line 21, in run
result = execute(bench_path)
File "/home/frappe/bench-repo/bench/patches/v4/update_node.py", line 10, in execute
result = subprocess.check_output([node_exec, '-v'])
File "/usr/lib/python2.7/subprocess.py", line 573, in check_output
raise CalledProcessError(retcode, cmd, output=output)
subprocess.CalledProcessError: Command '['/usr/sbin/node', '-v']' returned non-zero exit status 1