sonic-pi-tool.py start-server
Found installation at: /opt/sonic-pi/app
Running: ruby /opt/sonic-pi/app/server/bin/sonic-pi-server.rb
Traceback (most recent call last):
  File "/usr/local/bin/sonic-pi-tool.py", line 263, in <module>
    cli(obj=None)
  File "/home/pi/.local/lib/python2.7/site-packages/click/core.py", line 764, in __call__
    return self.main(*args, **kwargs)
  File "/home/pi/.local/lib/python2.7/site-packages/click/core.py", line 717, in main
    rv = self.invoke(ctx)
  File "/home/pi/.local/lib/python2.7/site-packages/click/core.py", line 1137, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/pi/.local/lib/python2.7/site-packages/click/core.py", line 956, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/pi/.local/lib/python2.7/site-packages/click/core.py", line 555, in invoke
    return callback(*args, **kwargs)
  File "/usr/local/bin/sonic-pi-tool.py", line 228, in start_server
    subprocess.run([inst.ruby_path(), inst.server_path()]).check_returncode()
AttributeError: 'module' object has no attribute 'run'