apply black
diff --git a/examples/rwbench/djangoext.py b/examples/rwbench/djangoext.py
index 06897e5..0052aef 100644
--- a/examples/rwbench/djangoext.py
+++ b/examples/rwbench/djangoext.py
@@ -12,12 +12,13 @@
 from rwbench import ROOT
 
 settings.configure(
-    TEMPLATE_DIRS=(join(ROOT, 'django'),),
+    TEMPLATE_DIRS=(join(ROOT, "django"),),
     TEMPLATE_LOADERS=(
-        ('django.template.loaders.cached.Loader', (
-            'django.template.loaders.filesystem.Loader',
-        )),
-    )
+        (
+            "django.template.loaders.cached.Loader",
+            ("django.template.loaders.filesystem.Loader",),
+        ),
+    ),
 )
 
 # for django extensions.  We monkey patch our extensions in so that
@@ -58,13 +59,12 @@
     args = []
     while p.more():
         args.append(p.value())
-    body = parser.parse(('endform',))
+    body = parser.parse(("endform",))
     parser.delete_first_token()
     return FormNode(body, *args)
 
 
 class InputFieldNode(Node):
-
     def __init__(self, name, type=None, value=None):
         self.name = var_or_none(name)
         self.type = var_or_none(type)
@@ -72,22 +72,17 @@
 
     def render(self, context):
         name = self.name.resolve(context)
-        type = 'text'
-        value = ''
+        type = "text"
+        value = ""
         if self.type is not None:
             type = self.type.resolve(context)
         if self.value is not None:
             value = self.value.resolve(context)
-        tmpl = django_loader.get_template('_input_field.html')
-        return tmpl.render(DjangoContext({
-            'name':     name,
-            'type':     type,
-            'value':    value
-        }))
+        tmpl = django_loader.get_template("_input_field.html")
+        return tmpl.render(DjangoContext({"name": name, "type": type, "value": value}))
 
 
 class TextareaNode(Node):
-
     def __init__(self, name, rows=None, cols=None, value=None):
         self.name = var_or_none(name)
         self.rows = var_or_none(rows)
@@ -98,24 +93,20 @@
         name = self.name.resolve(context)
         rows = 10
         cols = 40
-        value = ''
+        value = ""
         if self.rows is not None:
             rows = int(self.rows.resolve(context))
         if self.cols is not None:
             cols = int(self.cols.resolve(context))
         if self.value is not None:
             value = self.value.resolve(context)
-        tmpl = django_loader.get_template('_textarea.html')
-        return tmpl.render(DjangoContext({
-            'name':     name,
-            'rows':     rows,
-            'cols':     cols,
-            'value':    value
-        }))
+        tmpl = django_loader.get_template("_textarea.html")
+        return tmpl.render(
+            DjangoContext({"name": name, "rows": rows, "cols": cols, "value": value})
+        )
 
 
 class FormNode(Node):
-
     def __init__(self, body, action=None, method=None):
         self.body = body
         self.action = action
@@ -123,15 +114,13 @@
 
     def render(self, context):
         body = self.body.render(context)
-        action = ''
-        method = 'post'
+        action = ""
+        method = "post"
         if self.action is not None:
             action = self.action.resolve(context)
         if self.method is not None:
             method = self.method.resolve(context)
-        tmpl = django_loader.get_template('_form.html')
-        return tmpl.render(DjangoContext({
-            'body':     body,
-            'action':   action,
-            'method':   method
-        }))
+        tmpl = django_loader.get_template("_form.html")
+        return tmpl.render(
+            DjangoContext({"body": body, "action": action, "method": method})
+        )