Have you ruled out the possibility that collections.Mapping has been
(perhaps temporarily) assigned to something else?
On Thu, Jan 18, 2018 at 2:37 PM, Jason Swails
wrote:
> Hello!
>
> I am running into a very perplexing issue that is very rare, but creeps up
> and is crashing my app.
>
> The ro
On 1/18/2018 4:37 PM, Jason Swails wrote:
Hello!
I am running into a very perplexing issue that is very rare, but creeps up
and is crashing my app.
The root cause of the issue comes down to the following check returning
true:
isinstance([], collections.Mapping)
I confirmed that one *can* reg
On Thu, 18 Jan 2018 16:37:18 -0500, Jason Swails wrote:
> The root cause of the issue comes down to the following check returning
> true:
>
> isinstance([], collections.Mapping)
I re-iterate Chris' suggestion that you check that the instance is an
actual list, not a subclass.
Can you grep the
Probably not what you want to hear, but this might be a good place for an SSCCE.
On Thu, Jan 18, 2018 at 1:37 PM, Jason Swails wrote:
> Hello!
>
> I am running into a very perplexing issue that is very rare, but creeps up
> and is crashing my app.
>
> The root cause of the issue comes down to the
On Fri, Jan 19, 2018 at 8:37 AM, Jason Swails wrote:
> The root cause of the issue comes down to the following check returning
> true:
>
> isinstance([], collections.Mapping)
>
> Obviously you can get this behavior if you register `list` as a subclass of
> the Mapping ABC, but I'm not doing that.
