<div dir="ltr"><div>AHH! This explains why I was getting funny results for the UI STEP list in ft4. Fortunately, I needed an internal</div><div>lookup list that differed from the list of "legal" values I sent to the UI, so I had already forced a true separate copy</div><div>before I did the remove, so it's NOT MY FAULT (for once). There is no substitute for sheer dumb luck.<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Feb 26, 2019 at 12:24 PM Dan Smith via chirp_devel <<a href="mailto:chirp_devel@intrepid.danplanet.com">chirp_devel@intrepid.danplanet.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">> Thanks for finding the root cause of this problem. I tried to figure<br>
> it out but didn't quite look hard enough. I also didn't have any<br>
> success with solving the STEP error that is being generated for those<br>
> trying to program their UV-6R.<br>
<br>
No problem! I kinda caused the acute user-facing issue with my recent change of the defaults. I knew that was going to cause the rash of issues that is has, but I think it's important to just flush them out and get them fixed, so I've been trying to jump on them.<br>
<br>
One thing we can do to try to be more defensive about such things in the future, is use tuples for immutable lists of things. Since they can't be modified they will help defend against such things (and is the trick I used to figure out who was being naughty in this case):<br>
<br>
> >>> foo = [1,2,3]<br>
> >>> foo.remove(2)<br>
> >>> bar = (1,2,3)<br>
> >>> bar.remove(2)<br>
> Traceback (most recent call last):<br>
> File "<stdin>", line 1, in <module><br>
> AttributeError: 'tuple' object has no attribute 'remove'<br>
> >>> bar[0] = 1<br>
> Traceback (most recent call last):<br>
> File "<stdin>", line 1, in <module><br>
> TypeError: 'tuple' object does not support item assignment<br>
<br>
By changing uv5r.STEPS to a tuple for a sec, it caused loading of the other driver to fail like the above.<br>
<br>
--Dan<br>
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</blockquote></div>