def by_phone(self, phone, cc=None):
header, content = self._http_request(self.BASE_URL, phone=phone, cc=cc)<EOL>return json.loads(content)<EOL>
Perform a Yelp Phone API Search based on phone number given.

Args:
  phone    - Phone number to search by
  cc       - ISO 3166-1 alpha-2 country code. (Optional)