Periodic warning about non-standard dialects, which goes away upon clicking “validate again”

[quadrophobiac]

Ticket previously at Data-Liberation-Front/csvlint.rb#197 moved to here

Current Behaviour (for problems)

This warning reappears nightly, leaving my badge showing CSV warnings:

However, when I click to revalidate, the warning goes away.

Steps to Reproduce (for problems)

Provide a link to a live example, or an unambiguous set of steps to reproduce this bug. Include code to reproduce, if relevant

1. navigate to https://csvlint.io/validation/58cc177e3566300004000061
2. check that validation page matches screenshot above
3. click validate again
4. warning should now be gone, replaced with

Structural problem: Assumed header
As there is no machine readable way to tell if your CSV has a header row, we have assumed that your CSV has one.

Your Environment

Include as many relevant details about the environment you experienced the bug in - this will help us resolve the bug more expediently

• replicated in Chrome, MacOS Sierra

[quadrophobiac]

mention of dialect loop in this old ticket (#198) might be instructive, is this a feature rather than a bug?