FileInput._has_changed not implemented
|Reported by:||Brian Rosner||Owned by:||Brian Rosner|
|Has patch:||yes||Needs documentation:||no|
|Needs tests:||no||Patch needs improvement:||no|
In working on tests for #6117 I have discovered that FileInput._has_changed which is the inherited method from Widget needs to be implemented. Right now it will force_unicode the dict from
and the initial data which is most likely a filepath in the database and attempt to compare equality. Fix this by more than likely just checking if data is None and return the opposite value. The only test case that needs some thinking is when
or a non-empty dictionary.