old_contents: # coding: utf-8
  import pytest
  from flask import json
  
  from flask_postmark import Postmark
  
  
  BODY = '<html><body><strong>Hello</strong> dear Postmark user.</body></html>'
  SUBJECT = 'Postmark test'
  RECEIVER = 'receiver@example.com'
  SENDER = 'sender@example.com'
  DATA = {
      'From': SENDER,
      'To': RECEIVER,
      'Subject': SUBJECT,
      'HtmlBody': BODY
  }
  
  
  class TestPostmark:
  
      @pytest.fixture(autouse=True)
      def setup(self, test_client):
          self.client = test_client
  
      def post(self, url, data=None):
          response = self.client.post(url, data=json.dumps(data), content_type='application/json')
          return json.loads(response.data)
  
      def test_token(self, server_token):
          assert self.client.get('/token').data == server_token
  
      def test_send(self):
          assert self.post('/send', DATA) == {
              'Attachments': [], 'Bcc': None, 'Cc': None, 'From': SENDER,
              'Headers': [], 'HtmlBody': BODY, 'Tag': None,
              'TextBody': None, 'To': RECEIVER, 'TrackLinks': 'None', 'TrackOpens': None,
              'ReplyTo': None, 'Subject': SUBJECT
          }
  
      def test_send_batch(self):
          data = self.post('/send_batch', [DATA, DATA])
          expected = {
              'Attachments': [], 'From': SENDER, 'Headers': [], 'Subject': SUBJECT, 'HtmlBody': BODY, 'To': RECEIVER
          }
          assert data == [expected, expected]
  
      def test_empty_app(self, app):
          assert len(app.teardown_appcontext_funcs) == 1
          postmark = Postmark()
          postmark.init_app(app)
          assert len(app.teardown_appcontext_funcs) == 2
  
new_contents: # coding: utf-8
  import pytest
  from flask import json
  from flask_postmark import Postmark
  
  
  BODY = '<html><body><strong>Hello</strong> dear Postmark user.</body></html>'
  SUBJECT = 'Postmark test'
  RECEIVER = 'receiver@example.com'
  SENDER = 'sender@example.com'
  DATA = {
      'From': SENDER,
      'To': RECEIVER,
      'Subject': SUBJECT,
      'HtmlBody': BODY
  }
  
  
  class TestPostmark:
  
      @pytest.fixture(autouse=True)
      def setup(self, test_client):
          self.client = test_client
  
      def post(self, url, data=None):
          response = self.client.post(url, data=json.dumps(data), content_type='application/json')
          return json.loads(response.data)
  
      def test_token(self, server_token):
          assert self.client.get('/token').data == server_token
  
      def test_send(self):
          assert self.post('/send', DATA) == {
              'Attachments': [], 'Bcc': None, 'Cc': None, 'From': SENDER,
              'Headers': [], 'HtmlBody': BODY, 'Tag': None,
              'TextBody': None, 'To': RECEIVER, 'TrackLinks': 'None', 'TrackOpens': None,
              'ReplyTo': None, 'Subject': SUBJECT
          }
  
      def test_send_batch(self):
          data = self.post('/send_batch', [DATA, DATA])
          expected = {
              'Attachments': [], 'From': SENDER, 'Headers': [], 'Subject': SUBJECT, 'HtmlBody': BODY, 'To': RECEIVER
          }
          assert data == [expected, expected]
  
      def test_empty_app(self, app):
          assert len(app.teardown_appcontext_funcs) == 1
          postmark = Postmark()
          postmark.init_app(app)
          assert len(app.teardown_appcontext_funcs) == 2
  
subject: Fix linting