diff --git a/superset/dashboards/api.py b/superset/dashboards/api.py
index a1062ef91c..d156a34ecf 100644
--- a/superset/dashboards/api.py
+++ b/superset/dashboards/api.py
@@ -136,7 +136,7 @@ def with_dashboard(
     return functools.update_wrapper(wraps, f)
 
 
-class DashboardRestApi(BaseSupersetModelRestApi):
+class DashboardRestApi(BaseSupersetModelRestApi):  # pylint: disable=too-many-public-methods
     datamodel = SQLAInterface(Dashboard)
 
     @before_request(only=["thumbnail"])
diff --git a/tests/integration_tests/dashboards/api_tests.py b/tests/integration_tests/dashboards/api_tests.py
index aaf07a8780..99a784e95f 100644
--- a/tests/integration_tests/dashboards/api_tests.py
+++ b/tests/integration_tests/dashboards/api_tests.py
@@ -1,4 +1,3 @@
-
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
@@ -2720,12 +2719,7 @@ class TestDashboardApi(ApiOwnersTestCaseMixin, InsertChartMixin, SupersetTestCas
 
     def _cache_screenshot(self, dashboard_id, payload=None):
         if payload is None:
-            payload = {
-                "dataMask": {},
-                "activeTabs": [],
-                "anchor": "",
-                "urlParams": []
-            }
+            payload = {"dataMask": {}, "activeTabs": [], "anchor": "", "urlParams": []}
         uri = f"/api/v1/dashboard/{dashboard_id}/cache_dashboard_screenshot/"
         return self.client.post(uri, json=payload)
 
@@ -2756,7 +2750,7 @@ class TestDashboardApi(ApiOwnersTestCaseMixin, InsertChartMixin, SupersetTestCas
             "dataMask": ["should be a dict"],
             "activeTabs": "should be a list",
             "anchor": 1,
-            "urlParams": "should be a list"
+            "urlParams": "should be a list",
         }
         response = self._cache_screenshot(dashboard.id, invalid_payload)
         self.assertEqual(response.status_code, 400)
@@ -2768,15 +2762,15 @@ class TestDashboardApi(ApiOwnersTestCaseMixin, InsertChartMixin, SupersetTestCas
         self.assertEqual(response.status_code, 404)
 
     @pytest.mark.usefixtures("create_dashboard_with_tag")
-    @patch('superset.dashboards.api.cache_dashboard_screenshot')
-    @patch('superset.dashboards.api.DashboardScreenshot.get_from_cache_key')
-    def test_screenshot_success_png(self, mock_get_cache,  mock_cache_task):
+    @patch("superset.dashboards.api.cache_dashboard_screenshot")
+    @patch("superset.dashboards.api.DashboardScreenshot.get_from_cache_key")
+    def test_screenshot_success_png(self, mock_get_cache, mock_cache_task):
         """
         Validate screenshot returns png
         """
         self.login(ADMIN_USERNAME)
         mock_cache_task.return_value = None
-        mock_get_cache.return_value = BytesIO(b'fake image data')
+        mock_get_cache.return_value = BytesIO(b"fake image data")
 
         dashboard = (
             db.session.query(Dashboard)
@@ -2789,21 +2783,23 @@ class TestDashboardApi(ApiOwnersTestCaseMixin, InsertChartMixin, SupersetTestCas
 
         response = self._get_screenshot(dashboard.id, cache_key, "png")
         self.assertEqual(response.status_code, 200)
-        self.assertEqual(response.mimetype, 'image/png')
-        self.assertEqual(response.data, b'fake image data')
+        self.assertEqual(response.mimetype, "image/png")
+        self.assertEqual(response.data, b"fake image data")
 
     @pytest.mark.usefixtures("create_dashboard_with_tag")
-    @patch('superset.dashboards.api.cache_dashboard_screenshot')
-    @patch('superset.dashboards.api.build_pdf_from_screenshots')
-    @patch('superset.dashboards.api.DashboardScreenshot.get_from_cache_key')
-    def test_screenshot_success_pdf(self, mock_get_from_cache, mock_build_pdf, mock_cache_task):
+    @patch("superset.dashboards.api.cache_dashboard_screenshot")
+    @patch("superset.dashboards.api.build_pdf_from_screenshots")
+    @patch("superset.dashboards.api.DashboardScreenshot.get_from_cache_key")
+    def test_screenshot_success_pdf(
+        self, mock_get_from_cache, mock_build_pdf, mock_cache_task
+    ):
         """
         Validate screenshot can return pdf.
         """
         self.login(ADMIN_USERNAME)
         mock_cache_task.return_value = None
-        mock_get_from_cache.return_value = BytesIO(b'fake image data')
-        mock_build_pdf.return_value = b'fake pdf data'
+        mock_get_from_cache.return_value = BytesIO(b"fake image data")
+        mock_build_pdf.return_value = b"fake pdf data"
 
         dashboard = (
             db.session.query(Dashboard)
@@ -2816,12 +2812,12 @@ class TestDashboardApi(ApiOwnersTestCaseMixin, InsertChartMixin, SupersetTestCas
 
         response = self._get_screenshot(dashboard.id, cache_key, "pdf")
         self.assertEqual(response.status_code, 200)
-        self.assertEqual(response.mimetype, 'application/pdf')
-        self.assertEqual(response.data, b'fake pdf data')
+        self.assertEqual(response.mimetype, "application/pdf")
+        self.assertEqual(response.data, b"fake pdf data")
 
     @pytest.mark.usefixtures("create_dashboard_with_tag")
-    @patch('superset.dashboards.api.cache_dashboard_screenshot')
-    @patch('superset.dashboards.api.DashboardScreenshot.get_from_cache_key')
+    @patch("superset.dashboards.api.cache_dashboard_screenshot")
+    @patch("superset.dashboards.api.DashboardScreenshot.get_from_cache_key")
     def test_screenshot_not_in_cache(self, mock_get_cache, mock_cache_task):
         self.login(ADMIN_USERNAME)
         mock_cache_task.return_value = None
@@ -2846,12 +2842,12 @@ class TestDashboardApi(ApiOwnersTestCaseMixin, InsertChartMixin, SupersetTestCas
         self.assertEqual(response.status_code, 404)
 
     @pytest.mark.usefixtures("create_dashboard_with_tag")
-    @patch('superset.dashboards.api.cache_dashboard_screenshot')
-    @patch('superset.dashboards.api.DashboardScreenshot.get_from_cache_key')
+    @patch("superset.dashboards.api.cache_dashboard_screenshot")
+    @patch("superset.dashboards.api.DashboardScreenshot.get_from_cache_key")
     def test_screenshot_invalid_download_format(self, mock_get_cache, mock_cache_task):
         self.login(ADMIN_USERNAME)
         mock_cache_task.return_value = None
-        mock_get_cache.return_value = BytesIO(b'fake png data')
+        mock_get_cache.return_value = BytesIO(b"fake png data")
 
         dashboard = (
             db.session.query(Dashboard)
@@ -2865,4 +2861,3 @@ class TestDashboardApi(ApiOwnersTestCaseMixin, InsertChartMixin, SupersetTestCas
 
         response = self._get_screenshot(dashboard.id, cache_key, "invalid")
         self.assertEqual(response.status_code, 404)
-        
\ No newline at end of file