old_contents: import json
  import requests
  
  from .environment import Environment
  
  
  class SwishClient(object):
      def __init__(self, environment, payee_alias, cert):
          self.environment = Environment.parse_environment(environment)
          self.payee_alias = payee_alias
          self.cert = cert
  
      def post(self, endpoint, json):
          url = self.environment.base_url + endpoint
          return requests.post(url=url, json=json, headers={'Content-Type': 'application/json'}, cert=self.cert)
  
      def get(self, endpoint, id):
          print("Not implemented yet!")
  
      def payment_request(self, amount, currency, callback_url, payment_reference='', message=''):
          data = {
              'amount': amount,
              'currency': currency,
              'callback_url': callback_url,
              'payment_reference': payment_reference,
              'message': message
          }
          r = self.post('paymentrequests', json.dumps(data))
          return r
  
      def get_payment_request(payment_request_id):
          print("Not implemented yet!")
  
      def refund(self, amount, currency, callback_url, original_payment_reference, payer_payment_reference=''):
          data = {
              'amount': amount,
              'currency': currency,
              'callback_url': callback_url
          }
          r = self.post('refunds', json.dumps(data))
          return r
  
      def get_refund(refund_id):
          print("Not implemented yet!")
  
new_contents: import json
  import requests
  
  from .environment import Environment
  
  
  class SwishClient(object):
      def __init__(self, environment, payee_alias, cert):
          self.environment = Environment.parse_environment(environment)
          self.payee_alias = payee_alias
          self.cert = cert
  
      def post(self, endpoint, json):
          url = self.environment.base_url + endpoint
          return requests.post(url=url, json=json, headers={'Content-Type': 'application/json'}, cert=self.cert)
  
      def get(self, endpoint, id):
          print("Not implemented yet!")
  
      def payment_request(self, amount, currency, callback_url, payee_payment_reference='', message=''):
          data = {
              'payeeAlias': self.payee_alias,
              'amount': amount,
              'currency': currency,
              'callbackUrl': callback_url,
              'payeePaymentReference': payee_payment_reference,
              'message': message
          }
          r = self.post('paymentrequests', json.dumps(data))
          return r
  
      def get_payment_request(payment_request_id):
          print("Not implemented yet!")
  
      def refund(self, amount, currency, callback_url, original_payment_reference, payer_payment_reference=''):
          data = {
              'amount': amount,
              'currency': currency,
              'callback_url': callback_url
          }
          r = self.post('refunds', json.dumps(data))
          return r
  
      def get_refund(refund_id):
          print("Not implemented yet!")
  
subject: Correct data in payment request