1 files changed, 81 insertions, 31 deletions
diff --git a/tests/forms_tests/widget_tests/test_nullbooleanselect.py b/tests/forms_tests/widget_tests/test_nullbooleanselect.py
index 4e34020cdd..927abdba01 100644
--- a/tests/forms_tests/widget_tests/test_nullbooleanselect.py
+++ b/tests/forms_tests/widget_tests/test_nullbooleanselect.py
@@ -8,85 +8,130 @@ class NullBooleanSelectTest(WidgetTest):
     widget = NullBooleanSelect()
 
     def test_render_true(self):
-        self.check_html(self.widget, 'is_cool', True, html=(
-            """<select name="is_cool">
+        self.check_html(
+            self.widget,
+            "is_cool",
+            True,
+            html=(
+                """<select name="is_cool">
             <option value="unknown">Unknown</option>
             <option value="true" selected>Yes</option>
             <option value="false">No</option>
             </select>"""
-        ))
+            ),
+        )
 
     def test_render_false(self):
-        self.check_html(self.widget, 'is_cool', False, html=(
-            """<select name="is_cool">
+        self.check_html(
+            self.widget,
+            "is_cool",
+            False,
+            html=(
+                """<select name="is_cool">
             <option value="unknown">Unknown</option>
             <option value="true">Yes</option>
             <option value="false" selected>No</option>
             </select>"""
-        ))
+            ),
+        )
 
     def test_render_none(self):
-        self.check_html(self.widget, 'is_cool', None, html=(
-            """<select name="is_cool">
+        self.check_html(
+            self.widget,
+            "is_cool",
+            None,
+            html=(
+                """<select name="is_cool">
             <option value="unknown" selected>Unknown</option>
             <option value="true">Yes</option>
             <option value="false">No</option>
             </select>"""
-        ))
+            ),
+        )
 
     def test_render_value_unknown(self):
-        self.check_html(self.widget, 'is_cool', 'unknown', html=(
-            """<select name="is_cool">
+        self.check_html(
+            self.widget,
+            "is_cool",
+            "unknown",
+            html=(
+                """<select name="is_cool">
             <option value="unknown" selected>Unknown</option>
             <option value="true">Yes</option>
             <option value="false">No</option>
             </select>"""
-        ))
+            ),
+        )
 
     def test_render_value_true(self):
-        self.check_html(self.widget, 'is_cool', 'true', html=(
-            """<select name="is_cool">
+        self.check_html(
+            self.widget,
+            "is_cool",
+            "true",
+            html=(
+                """<select name="is_cool">
             <option value="unknown">Unknown</option>
             <option value="true" selected>Yes</option>
             <option value="false">No</option>
             </select>"""
-        ))
+            ),
+        )
 
     def test_render_value_false(self):
-        self.check_html(self.widget, 'is_cool', 'false', html=(
-            """<select name="is_cool">
+        self.check_html(
+            self.widget,
+            "is_cool",
+            "false",
+            html=(
+                """<select name="is_cool">
             <option value="unknown">Unknown</option>
             <option value="true">Yes</option>
             <option value="false" selected>No</option>
             </select>"""
-        ))
+            ),
+        )
 
     def test_render_value_1(self):
-        self.check_html(self.widget, 'is_cool', '1', html=(
-            """<select name="is_cool">
+        self.check_html(
+            self.widget,
+            "is_cool",
+            "1",
+            html=(
+                """<select name="is_cool">
             <option value="unknown" selected>Unknown</option>
             <option value="true">Yes</option>
             <option value="false">No</option>
             </select>"""
-        ))
+            ),
+        )
 
     def test_render_value_2(self):
-        self.check_html(self.widget, 'is_cool', '2', html=(
-            """<select name="is_cool">
+        self.check_html(
+            self.widget,
+            "is_cool",
+            "2",
+            html=(
+                """<select name="is_cool">
             <option value="unknown">Unknown</option>
             <option value="true" selected>Yes</option>
             <option value="false">No</option>
             </select>"""
-        ))
+            ),
+        )
 
     def test_render_value_3(self):
-        self.check_html(self.widget, 'is_cool', '3', html=(
-            """<select name="is_cool">
+        self.check_html(
+            self.widget,
+            "is_cool",
+            "3",
+            html=(
+                """<select name="is_cool">
             <option value="unknown">Unknown</option>
             <option value="true">Yes</option>
             <option value="false" selected>No</option>
             </select>"""
-        ))
+            ),
+        )
 
     def test_l10n(self):
         """
@@ -94,13 +139,18 @@ class NullBooleanSelectTest(WidgetTest):
         """
         widget = NullBooleanSelect()
 
-        with translation.override('de-at'):
-            self.check_html(widget, 'id_bool', True, html=(
-                """
+        with translation.override("de-at"):
+            self.check_html(
+                widget,
+                "id_bool",
+                True,
+                html=(
+                    """
                 <select name="id_bool">
                     <option value="unknown">Unbekannt</option>
                     <option value="true" selected>Ja</option>
                     <option value="false">Nein</option>
                 </select>
                 """
-            ))
+                ),
+            )