Resolve "Info mailing"

Closes #17 (closed)

aleksis/apps/paweljong/forms.py

@@ -313,6 +313,7 @@ class RegisterEventAdditional(ExtensibleForm):
                 self.add_node_to_layout(node)
         self.__class__.layout_filled = True
 
+
 class RegisterEventFinancial(ExtensibleForm):
     """Form to register for an event."""
 
@@ -385,7 +386,9 @@ class RegisterEventConsent(ExtensibleForm):
                 label=_(
                     "I confirm that the retraction of the registration is not possible anymore "
                     "after {}"
-                ).format(dateformat.format(event.date_retraction, formats.get_format('DATE_FORMAT'))),
+                ).format(
+                    dateformat.format(event.date_retraction, formats.get_format("DATE_FORMAT"))
+                ),
             )
             self.fields["retraction_deadline"] = field_instance
             node = Row("retraction_deadline")
@@ -446,8 +449,10 @@ class RegisterEventAccount(SignupForm, ExtensibleForm):
     last_name = forms.CharField(label=_("Last name"))
     date_of_birth = forms.DateField(label=_("Date of birth"))
 
-
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
 
-        self.fields["username"].help_text = _("The username must only contain lower case letters and numbers, and must begin with a letter.")
+        self.fields["username"].help_text = _(
+            "The username must only contain lower case letters and numbers, "
+            "and must begin with a letter."
+        )