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crudkit/ui/fragments.py

@@ -840,6 +840,9 @@ def _format_value(val: Any, fmt: Optional[str]) -> Any:
     if fmt is None:
         return val
     try:
+        if callable(fmt):
+            return fmt(val)
+
         if fmt == "yesno":
             return "Yes" if bool(val) else "No"
         if fmt == "date":