Django custom filters not working in included templates

Not sure if I've done something wrong but if I try to use a custom filter in an included template fragment I'm getting "invalid filter"

If I try the filter on the main template it works fine.

Is this a k开发者_C百科nown limitation/bug?

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You'll need to {% load %} in the included template as well.

So, if base.html is calling {% include "sub.html" %}, then you'll need to have the {% load custom_filters %} tag at the top of sub.html as well.