old_contents: lab_command = ' '.join([
      'jupyter',
      'lab',
      '--dev-mode',
      '--debug',
      '--no-browser',
      '--port={port}',
      '--NotebookApp.token=""',
      '--NotebookApp.base_url={base_url}lab-dev',
      # Disable dns rebinding protection here, since our 'Host' header
      # is not going to be localhost when coming from hub.mybinder.org
      '--NotebookApp.allow_remote_access=True'
  ])
  
  c.ServerProxy.servers = {
      'lab-dev': {
          'command': [
              '/bin/bash', '-c',
              # Redirect all logs to a log file
              f'{lab_command} >jupyterlab-dev.log 2>&1'
          ],
          'absolute_url': True
      }
  }
  
  c.NotebookApp.default_url = '/lab-dev'
  
  import logging
  c.NotebookApp.log_level = logging.DEBUG
  
new_contents: lab_command = ' '.join([
      'jupyter',
      'lab',
      '--dev-mode',
      '--debug',
      '--no-browser',
      '--port={port}',
      '--NotebookApp.token=""',
      '--NotebookApp.base_url={base_url}lab-dev',
      # Disable dns rebinding protection here, since our 'Host' header
      # is not going to be localhost when coming from hub.mybinder.org
      '--NotebookApp.allow_remote_access=True'
  ])
  
  c.ServerProxy.servers = {
      'lab-dev': {
          'command': [
              '/bin/bash', '-c',
              # Redirect all logs to a log file
              f'{lab_command} >jupyterlab-dev.log 2>&1'
          ],
          'timeout': 10,
          'absolute_url': True
      }
  }
  
  c.NotebookApp.default_url = '/lab-dev'
  
  import logging
  c.NotebookApp.log_level = logging.DEBUG
  
subject: Increase timeout.