old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  import re
  import click
  import requests
  from six.moves.urllib.parse import urljoin
  
  
  def capture(
      target_url,
      user_agent="savepagenow (https://github.com/pastpages/savepagenow)",
  ):
      """
      Archives the provided URL using archive.is
  
      Returns the URL where the capture is stored.
      """
      # Put together the URL that will save our request
      domain = "http://archive.is"
      save_url = urljoin(domain, "/submit/")
  
      # Configure the request headers
      headers = {
          'User-Agent': user_agent,
      }
  
      # Send the capture request to archive.is
      data = {
          "coo": '',
          "url": target_url,
          "anyway": 1,
      }
      response = requests.post(save_url, headers=headers, data=data)
  
      print response.headers
  
      # archive.is returns a link format timemap in the header field link
      # but if it was the first time archive.is has archived the uri-r
      # or for some other reason unknown at this time
      # this information will not be present so resort to searching the
      # returned html page
      memento_re = re.compile('"(http(?:s)?://archive\.is/(?:[0-9]{14}/(?:\b)?)?'
                              '[-a-zA-Z0-9@:%_+.~#?&/=]+)"',
                              re.IGNORECASE | re.MULTILINE)
      mementos = memento_re.findall(response.text)
  
      # the url to the memento is the first element in the list
      return mementos[0]
  
  
  @click.command()
  @click.argument("url")
  @click.option("-ua", "--user-agent", help="User-Agent header for the web request")
  def cli(url, user_agent):
      """
      Archives the provided URL using archive.is.
      """
      kwargs = {}
      if user_agent:
          kwargs['user_agent'] = user_agent
      archive_url = capture(url, **kwargs)
      click.echo(archive_url)
  
  
  if __name__ == "__main__":
      cli()
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  import re
  import click
  import requests
  from six.moves.urllib.parse import urljoin
  
  
  def capture(
      target_url,
      user_agent="savepagenow (https://github.com/pastpages/savepagenow)",
  ):
      """
      Archives the provided URL using archive.is
  
      Returns the URL where the capture is stored.
      """
      # Put together the URL that will save our request
      domain = "http://archive.is"
      save_url = urljoin(domain, "/submit/")
  
      # Configure the request headers
      headers = {
          'User-Agent': user_agent,
      }
  
      # Send the capture request to archive.is
      data = {
          "coo": '',
          "url": target_url,
          "anyway": 1,
      }
      response = requests.post(save_url, headers=headers, data=data)
  
      # archive.is returns a link format timemap in the header field link
      # but if it was the first time archive.is has archived the uri-r
      # or for some other reason unknown at this time
      # this information will not be present so resort to searching the
      # returned html page
      memento_re = re.compile('"(http(?:s)?://archive\.is/(?:[0-9]{14}/(?:\b)?)?'
                              '[-a-zA-Z0-9@:%_+.~#?&/=]+)"',
                              re.IGNORECASE | re.MULTILINE)
      mementos = memento_re.findall(response.text)
  
      # the url to the memento is the first element in the list
      return mementos[0]
  
  
  @click.command()
  @click.argument("url")
  @click.option("-ua", "--user-agent", help="User-Agent header for the web request")
  def cli(url, user_agent):
      """
      Archives the provided URL using archive.is.
      """
      kwargs = {}
      if user_agent:
          kwargs['user_agent'] = user_agent
      archive_url = capture(url, **kwargs)
      click.echo(archive_url)
  
  
  if __name__ == "__main__":
      cli()
  
subject: Remove print