unrecognized filter format in oTree 5

[eka...@umich.edu]

I am trying to replicate Felix Holzmeister's MPL game from

https://github.com/felixholzmeister/mpl

The error I get when running it in oTree 5 is the following: 

Unrecognised filter name 'stringformat:"s"'

The full code for that portion is below.  

{% for i,f,p in choices %}
<tr>
<td class="pie-chart">
{% with j=i|stringformat:"s" %}
{% with pies_a="pie_a_"|add:j %}
<div id="{{ pies_a }}" class="pie-chart"></div>
{% endwith %}
{% endwith %}
</td>
<td class="pie-chart">
{% with j=i|stringformat:"s" %}
{% with pies_b="pie_b_"|add:j %}
<div id="{{ pies_b }}" class="pie-chart"></div>
{% endwith %}
{% endwith %}
</td>
</tr>
<tr>
<td class="center">
<button name="{{ f }}" value="A" class="btn btn-primary">
{% trans "Option A" %}
</button>
</td>
<td class="center">
<button name="{{ f }}" value="B" class="btn btn-primary">
{% trans "Option B" %}
</button>
</td>
</tr>
{% endfor %}

[Chris @ oTree]

choice_list in otree-more-demos is my recommended starting point:

https://www.otreehub.com/projects/otree-more-demos/

Sent from my phone

On Feb 8, 2022, at 5:03 AM, eka...@umich.edu <eka...@umich.edu> wrote:



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