# ERROR: LoadError: MethodError: no method matching isnan(::Py)

**URL:** <https://discourse.julialang.org/t/error-loaderror-methoderror-no-method-matching-isnan-py/117063>\
**Category:** New to Julia\
**Tags:** error-message, pythoncall\
**Created:** [July 15, 2024, 5:42pm UTC](https://discourse.julialang.org/t/error-loaderror-methoderror-no-method-matching-isnan-py/117063 "2024-07-15T17:42:53Z")\
**Posts on this page:** 1\
**Showing post:** 12

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**Author:** ![cjdoris](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/cjdoris/32/213133_2.png) [@cjdoris](https://discourse.julialang.org/u/cjdoris)\
**Post date:** [July 18, 2024, 3:40pm UTC](https://discourse.julialang.org/t/error-loaderror-methoderror-no-method-matching-isnan-py/117063/12 "2024-07-18T15:40:16Z")

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Please post the _complete_ code. Your error message is about `isnan` but you don’t use `isnan` in the code you posted.

Also please read [Please read: make it easier to help you](https://discourse.julialang.org/t/please-read-make-it-easier-to-help-you/14757), which will help you to get the best help from others in this forum.

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_[View the full topic](https://discourse.julialang.org/t/error-loaderror-methoderror-no-method-matching-isnan-py/117063)._