Refs #33476 -- Reformatted code with Black.

tests/forms_tests/widget_tests/test_checkboxinput.py

@@ -7,18 +7,26 @@ class CheckboxInputTest(WidgetTest):
     widget = CheckboxInput()
 
     def test_render_empty(self):
-        self.check_html(self.widget, 'is_cool', '', html='<input type="checkbox" name="is_cool">')
+        self.check_html(
+            self.widget, "is_cool", "", html='<input type="checkbox" name="is_cool">'
+        )
 
     def test_render_none(self):
-        self.check_html(self.widget, 'is_cool', None, html='<input type="checkbox" name="is_cool">')
+        self.check_html(
+            self.widget, "is_cool", None, html='<input type="checkbox" name="is_cool">'
+        )
 
     def test_render_false(self):
-        self.check_html(self.widget, 'is_cool', False, html='<input type="checkbox" name="is_cool">')
+        self.check_html(
+            self.widget, "is_cool", False, html='<input type="checkbox" name="is_cool">'
+        )
 
     def test_render_true(self):
         self.check_html(
-            self.widget, 'is_cool', True,
-            html='<input checked type="checkbox" name="is_cool">'
+            self.widget,
+            "is_cool",
+            True,
+            html='<input checked type="checkbox" name="is_cool">',
         )
 
     def test_render_value(self):
@@ -27,7 +35,9 @@ class CheckboxInputTest(WidgetTest):
         checkbox and set the 'value' attribute.
         """
         self.check_html(
-            self.widget, 'is_cool', 'foo',
+            self.widget,
+            "is_cool",
+            "foo",
             html='<input checked type="checkbox" name="is_cool" value="foo">',
         )
 
@@ -36,11 +46,15 @@ class CheckboxInputTest(WidgetTest):
         Integers are handled by value, not as booleans (#17114).
         """
         self.check_html(
-            self.widget, 'is_cool', 0,
+            self.widget,
+            "is_cool",
+            0,
             html='<input checked type="checkbox" name="is_cool" value="0">',
         )
         self.check_html(
-            self.widget, 'is_cool', 1,
+            self.widget,
+            "is_cool",
+            1,
             html='<input checked type="checkbox" name="is_cool" value="1">',
         )
 
@@ -49,30 +63,43 @@ class CheckboxInputTest(WidgetTest):
         You can pass 'check_test' to the constructor. This is a callable that
         takes the value and returns True if the box should be checked.
         """
-        widget = CheckboxInput(check_test=lambda value: value.startswith('hello'))
-        self.check_html(widget, 'greeting', '', html=(
-            '<input type="checkbox" name="greeting">'
-        ))
-        self.check_html(widget, 'greeting', 'hello', html=(
-            '<input checked type="checkbox" name="greeting" value="hello">'
-        ))
-        self.check_html(widget, 'greeting', 'hello there', html=(
-            '<input checked type="checkbox" name="greeting" value="hello there">'
-        ))
-        self.check_html(widget, 'greeting', 'hello & goodbye', html=(
-            '<input checked type="checkbox" name="greeting" value="hello &amp; goodbye">'
-        ))
+        widget = CheckboxInput(check_test=lambda value: value.startswith("hello"))
+        self.check_html(
+            widget, "greeting", "", html=('<input type="checkbox" name="greeting">')
+        )
+        self.check_html(
+            widget,
+            "greeting",
+            "hello",
+            html=('<input checked type="checkbox" name="greeting" value="hello">'),
+        )
+        self.check_html(
+            widget,
+            "greeting",
+            "hello there",
+            html=(
+                '<input checked type="checkbox" name="greeting" value="hello there">'
+            ),
+        )
+        self.check_html(
+            widget,
+            "greeting",
+            "hello & goodbye",
+            html=(
+                '<input checked type="checkbox" name="greeting" value="hello &amp; goodbye">'
+            ),
+        )
 
     def test_render_check_exception(self):
         """
         Calling check_test() shouldn't swallow exceptions (#17888).
         """
         widget = CheckboxInput(
-            check_test=lambda value: value.startswith('hello'),
+            check_test=lambda value: value.startswith("hello"),
         )
 
         with self.assertRaises(AttributeError):
-            widget.render('greeting', True)
+            widget.render("greeting", True)
 
     def test_value_from_datadict(self):
         """
@@ -80,17 +107,19 @@ class CheckboxInputTest(WidgetTest):
         the data dictionary (because HTML form submission doesn't send any
         result for unchecked checkboxes).
         """
-        self.assertFalse(self.widget.value_from_datadict({}, {}, 'testing'))
+        self.assertFalse(self.widget.value_from_datadict({}, {}, "testing"))
 
     def test_value_from_datadict_string_int(self):
-        value = self.widget.value_from_datadict({'testing': '0'}, {}, 'testing')
+        value = self.widget.value_from_datadict({"testing": "0"}, {}, "testing")
         self.assertIs(value, True)
 
     def test_value_omitted_from_data(self):
-        self.assertIs(self.widget.value_omitted_from_data({'field': 'value'}, {}, 'field'), False)
-        self.assertIs(self.widget.value_omitted_from_data({}, {}, 'field'), False)
+        self.assertIs(
+            self.widget.value_omitted_from_data({"field": "value"}, {}, "field"), False
+        )
+        self.assertIs(self.widget.value_omitted_from_data({}, {}, "field"), False)
 
     def test_get_context_does_not_mutate_attrs(self):
-        attrs = {'checked': False}
-        self.widget.get_context('name', True, attrs)
-        self.assertIs(attrs['checked'], False)
+        attrs = {"checked": False}
+        self.widget.get_context("name", True, attrs)
+        self.assertIs(attrs["checked"], False)