Luca Gilardi

Hi, I'm seeing the same also, on at least: * Ubuntu 16.04.3, Python 3.5.2 * macOS 10.13.3, Python 3.6.4 (Homebrew) The following code (in a file `x.py`) ```python import records...

It's because `ujson.dumps`, which is tentatively imported by `tablib/formats/_json.py`, does not support the `default` keyword. And I think it doesn't support any, for that matter.

Hi there — any updates on this? I'm very interested as well.

Well @NicolasRouquette, I tried the `mill` build (some time ago, but the repo hasn't changed); it didn't seem to produce anything useable. Am I missing something obvious?

I've found exactly the same issue. Any progress?

Hi — sorry for the late reply, and thank you for your comment. Yes, the above works perfectly! Again, thank you!