Add quality to art resizer docstring
@@ -198,7 +198,8 @@ class ArtResizer(six.with_metaclass(Shareable, object)):
def resize(self, maxwidth, path_in, path_out=None, quality=0):
"""Manipulate an image file according to the method, returning a
new path. For PIL or IMAGEMAGIC methods, resizes the image to a
- temporary file. For WEBPROXY, returns `path_in` unmodified.
+ temporary file and encodes with the specified quality level.
+ For WEBPROXY, returns `path_in` unmodified.
"""
if self.local:
func = BACKEND_FUNCS[self.method[0]]
