old_contents: import requests
  
  class Teli:
      TOKEN = None
      SRC_DID = None
      API = None
  
      def __init__(self, TOKEN, SRC_DID):
          self.TOKEN = TOKEN
          self.SRC_DID = SRC_DID
          self.API = "https://sms.teleapi.net/{}/send"
  
      def send_sms(self, src=self.SRC_DID, dest, message):
          args = {
              'token': self.TOKEN,
              'source': src,
              'destination': dest,
              'message': message
          }
          return requests.post(self.API.format("sms"), data=args).status_code
  
      def send_mms(self, src=self.SRC_DID, dest, file_name=None, file_data=None, file_url=None):
          args = {
              'token': self.TOKEN,
              'source': src,
              'destination': dest,
              'file_name': file_name,
              'file_data': file_data,
              'file_url': file_url
          }
          return requests.post(self.API.format("mms"), data=args).status_code
  
new_contents: import requests
  
  class Teli:
      TOKEN = None
      SRC_DID = None
      API = None
  
      def __init__(self, TOKEN, SRC_DID):
          self.TOKEN = TOKEN
          self.SRC_DID = SRC_DID
          self.API = "https://sms.teleapi.net/{}/send"
  
      def send_sms(self, dest, message, src=self.SRC_DID):
          args = {
              'token': self.TOKEN,
              'source': src,
              'destination': dest,
              'message': message
          }
          return requests.post(self.API.format("sms"), data=args).status_code
  
      def send_mms(self, dest, file_name=None, file_data=None, file_url=None, src=self.SRC_DID):
          args = {
              'token': self.TOKEN,
              'source': src,
              'destination': dest,
              'file_name': file_name,
              'file_data': file_data,
              'file_url': file_url
          }
          return requests.post(self.API.format("mms"), data=args).status_code
  
subject: Fix src syntax error