old_contents: import webbrowser
  import urllib
  
  import github3
  
  MAX_URL_LEN = 150e3  # Size threshold above which a gist is created
  
  def to_geojsonio(contents, domain):
      url = geojsonio_url(contents, domain)
      webbrowser.open(url)
  
  
  def geojsonio_url(contents, domain='http://geojson.io/'):
      """
      Returns the URL to open given the domain and contents
  
      If the contents are large, then a gist will be created.
  
      """
      if len(contents) <= MAX_URL_LEN:
          url = _data_url(domain, contents)
      else:
          gist = _create_gist(contents)
          url = _gist_url(domain, gist.id)
  
      return url
  
  
  def _create_gist(contents, description='', filename='data.geojson'):
      """
      Create and return an anonymous gist with a single file and specified
      contents
  
      """
      ghapi = github3.GitHub()
      files = {filename: {'content': contents}}
      gist = ghapi.create_gist(description, files)
  
      return gist
  
  
  def _data_url(domain, contents):
      url = (domain + '#data=data:application/json,' +
             urllib.quote(contents))
      return url
  
  
  def _gist_url(domain, gist_id):
      url = (domain + '#id=gist:/{}'.format(gist_id))
      return url
  
  
  
new_contents: import webbrowser
  import urllib
  
  import github3
  
  MAX_URL_LEN = 150e3  # Size threshold above which a gist is created
  
  def to_geojsonio(contents, domain='http://geojson.io/'):
      url = geojsonio_url(contents, domain)
      webbrowser.open(url)
  
  
  def geojsonio_url(contents, domain='http://geojson.io/'):
      """
      Returns the URL to open given the domain and contents
  
      If the contents are large, then a gist will be created.
  
      """
      if len(contents) <= MAX_URL_LEN:
          url = _data_url(domain, contents)
      else:
          gist = _create_gist(contents)
          url = _gist_url(domain, gist.id)
  
      return url
  
  
  def _create_gist(contents, description='', filename='data.geojson'):
      """
      Create and return an anonymous gist with a single file and specified
      contents
  
      """
      ghapi = github3.GitHub()
      files = {filename: {'content': contents}}
      gist = ghapi.create_gist(description, files)
  
      return gist
  
  
  def _data_url(domain, contents):
      url = (domain + '#data=data:application/json,' +
             urllib.quote(contents))
      return url
  
  
  def _gist_url(domain, gist_id):
      url = (domain + '#id=gist:/{}'.format(gist_id))
      return url
  
  
  
subject: Add default arg to to_geojsonio