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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://fosstodon.org/users/jamescooke/statuses/113443968718461228">James C :python: (jamescooke@fosstodon.org)'s status on Friday, 08-Nov-2024 08:28:35 JST</a><a href="https://fosstodon.org/@jamescooke" title="jamescooke@fosstodon.org"><img src="https://gnusocial.jp/avatar/293401-48-20241107232832.webp" width="48" height="48" alt="James C :python:" style="position: absolute; left: 0; top: 0;">James C :python:</a></section><article><p>When is 0 not 0? When SymPy made it into an instance of its special Zero class of course! 😅 </p><p>*AND* you can't convert that to a Decimal by just casting it either 😬 </p><p><a href="https://fosstodon.org/tags/Python" rel="tag">#Python</a></p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/3959502#notice-7734724">In conversation</a><time datetime="2024-11-08T08:28:35+09:00" title="Friday, 08-Nov-2024 08:28:35 JST">about 15 days ago</time> <span>from <span><a href="https://fosstodon.org/@jamescooke/113443968718461228" rel="external" title="Sent from fosstodon.org via ActivityPub">fosstodon.org</a></span></span><a href="https://fosstodon.org/@jamescooke/113443968718461228">permalink</a><h4>Attachments</h4><ol><li><label><a rel="external" href="https://gnusocial.jp/attachment/3437801">Python ipdb shell with the following output:ipdb&gt; self.calculated_values
{talk_percentage: 0}
ipdb&gt; self.calculated_values[symbol]
0
ipdb&gt; type(self.calculated_values[symbol])
&lt;class 'sympy.core.numbers.Zero'&gt;
ipdb&gt; self.calculated_values[symbol] == 0
True
ipdb&gt; self.calculated_values[symbol] is 0
False
ipdb&gt; Decimal(self.calculated_values[symbol])
*** TypeError: conversion from Zero to Decimal is not supported
ipdb&gt; 
*** TypeError: conversion from Zero to Decimal is not supported
ipdb&gt; self.calculated_values[symbol].value
*** AttributeError: 'Zero' object has no attribute 'value'</a></label><br><a href="https://cdn.fosstodon.org/media_attachments/files/113/443/963/545/898/323/original/49a4f5412fd1d478.png" rel="external">https://cdn.fosstodon.org/media_attachments/files/113/443/963/545/898/323/original/49a4f5412fd1d478.png</a></li></ol></footer></blockquote>

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James C :python: (jamescooke@fosstodon.org)'s status on Friday, 08-Nov-2024 08:28:35 JST James C :python:
When is 0 not 0? When SymPy made it into an instance of its special Zero class of course! 😅
*AND* you can't convert that to a Decimal by just casting it either 😬
#Python
In conversationabout 15 days ago from fosstodon.orgpermalink
Attachments
1. Python ipdb shell with the following output: ipdb> self.calculated_values {talk_percentage: 0} ipdb> self.calculated_values[symbol] 0 ipdb> type(self.calculated_values[symbol]) <class 'sympy.core.numbers.Zero'> ipdb> self.calculated_values[symbol] == 0 True ipdb> self.calculated_values[symbol] is 0 False ipdb> Decimal(self.calculated_values[symbol]) *** TypeError: conversion from Zero to Decimal is not supported ipdb> *** TypeError: conversion from Zero to Decimal is not supported ipdb> self.calculated_values[symbol].value *** AttributeError: 'Zero' object has no attribute 'value'
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