fix: fix 'anomalous-backslash-in-string' for pylint

.pylintrc

@@ -3,7 +3,6 @@
 [MESSAGES CONTROL]
 disable=fixme,
         abstract-method,
-        anomalous-backslash-in-string,
         arguments-differ,
         arguments-renamed,
         assignment-from-no-return,

src/wuttaweb/forms/base.py

@@ -494,7 +494,7 @@ class Form:  # pylint: disable=too-many-instance-attributes
         :param widget: Either a :class:`deform:deform.widget.Widget`
            instance, or else a widget "type" name.
 
-        :param \**kwargs: Any remaining kwargs are passed along to
+        :param \\**kwargs: Any remaining kwargs are passed along to
            :meth:`make_widget()` - if applicable.
 
         Widget overrides are tracked via :attr:`widgets`.
@@ -526,7 +526,7 @@ class Form:  # pylint: disable=too-many-instance-attributes
         :param widget_type: Which of the above (or custom) widget
            type to create.
 
-        :param \**kwargs: Remaining kwargs are passed as-is to the
+        :param \\**kwargs: Remaining kwargs are passed as-is to the
            widget factory.
 
         :returns: New widget instance, or ``None`` if e.g. it could

src/wuttaweb/grids/filters.py

@@ -63,7 +63,7 @@ class GridFilter:  # pylint: disable=too-many-instance-attributes
        column by which to filter.  For instance,
        ``model.Person.full_name``.
 
-    :param \**kwargs: Any additional kwargs will be set as attributes
+    :param \\**kwargs: Any additional kwargs will be set as attributes
        on the filter instance.
 
     Filter instances have the following attributes:

src/wuttaweb/views/batch.py

@@ -221,7 +221,7 @@ class BatchMasterView(MasterView):
         on the batch handler - when creating.  Parent/default logic is
         used when updating.
 
-        :param \**kwargs: Additional kwargs will be passed as-is to
+        :param \\**kwargs: Additional kwargs will be passed as-is to
            the ``make_batch()`` call.
         """
         if self.creating:

src/wuttaweb/views/master.py

@@ -1651,7 +1651,7 @@ class MasterView(View):
            button act like a link.  This will yield something like:
            ``<b-button tag="a" href="{url}">``
 
-        :param \**kwargs: All remaining kwargs are passed to the
+        :param \\**kwargs: All remaining kwargs are passed to the
            underlying ``HTML.tag()`` call, so will be rendered as
            attributes on the button tag.
 
@@ -2260,7 +2260,7 @@ class MasterView(View):
 
         :param obj: Model instance object.
 
-        :param \**kwargs: Additional kwargs to be passed to
+        :param \\**kwargs: Additional kwargs to be passed to
            ``request.route_url()``, if needed.
         """
         kw = self.get_action_route_kwargs(obj)