text: _JSON_NEEDED_ERROR = """
  Lob requires a JSON library, which you do not
  appear to have. Please install the simplejson library.
  HINT: Try installing the python simplejson library
  via 'pip install simplejson' or 'easy_install simplejson.
  """
  
  _JSON_VERSION_ERROR = """
  Lob requires a JSON library with the same
  interface as the Python 2.6 'json' library. You appear to
  have a 'json' library with a different interface. Please install
  the simplejson library. HINT: Try installing the python
  simplejson library via 'pip install simplejson' or
  'easy_install simplejson'
  """
  
  
  def import_json():
      # Python 2.5 and below do not ship with json
      _json_loaded = None
      try:
          import json
          if hasattr(json, 'loads'):
              return json
          _json_loaded = False
      except ImportError:
          pass
  
      try:
          import simplejson
          return simplejson
      except ImportError:
          if _json_loaded is None:
              raise ImportError(_JSON_NEEDED_ERROR)
          else:
              raise ImportError(_JSON_VERSION_ERROR)
  
  
  def import_requests():
      # This will import the required requests library
      try:
          import requests
          return ('requests', requests)
      except ImportError:
          raise ImportError('Lob requires the requests package')
  