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Richert avatar Richert commented on June 13, 2024 1

Dear Julian,

thank you for your interest in PyRates! I suspect that this error is caused by a version conflict with pyparsing, since the ExpressionParser class inherits from pyparsing.ParserElement.
Can you tell me which version you have installed in your Python environment? Personally, I am running PyRates with pyparsing == 2.4.6 without running into that issue. If that solves the problem, let me know so I can update our dependencies accordingly or make the ExpressionParser compatible with the latest pyparsing version.

Just as a heads-up: I am currently working on a larger upgrade to PyRates which will replace the current mathematical expression parsing with expression parsing based on sympy besides other improvements. I expect to merge these changes into the master branch in January and upgrade the PyRates pypi version soon after.

Best,
Richard

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julama avatar julama commented on June 13, 2024

Dear Richard,

I downgraded pyparsing==3.0.6 to pyparsing==2.4.6 which resolved the issue.

Thank you for the quick help!

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Richert avatar Richert commented on June 13, 2024

Dear Julian,

glad I could help! I will close this issue then.

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