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April 2025

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yt user/developer workshop in Edinburgh: 2nd announcement
by Britton Smith April 29, 2025

April 29, 2025

Registration is currently open for the yt user/developer workshop, to be held July 15-18, 2025 at University of Edinburgh in Edinburgh, UK. yt <https://yt-project.org/> is a community-driven Python package for analyzing and visualizing astrophysical simulation data, supporting output from nearly two dozen astro simulation codes and several more from other domains (see list of supported formats below). This interactive workshop welcomes researchers from all career stages to learn to use and modify yt for sophisticated analysis of simulation and general spatial data. The first two days will be devoted to tutorials starting from scratch and working toward advanced usage, including parallel computing. Participants are encouraged to bring ideas for challenging analyses they would like to undertake or samples of data not yet supported by yt. There will be opportunities to work with developers to add support for new data or develop new features. The workshop will then transition to showcasing packages extending or related to yt and learning how to modify the code and contribute to the project. We will end with a day of breakout groups working on coding projects of their choice. Participants will also have the opportunity to give short presentations on relevant research or related software packages. Registration is free and can be done here <https://higgs.ph.ed.ac.uk/workshops/spatial-analysis-across-scales-and-doma…> . All experience levels, career stages, and areas of interest are welcome. Registration will be limited to 35 people. The registration deadline is June 2, 2025. For more information, please contact Britton Smith at britton.smith(a)ed.ac.uk .

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ModuleNotFoundError: No module named 'yt.extensions.astro_analysis'
by Weixuan Pan April 7, 2025

April 7, 2025

Hi folks, I encountered a `ModuleNotFoundError` while trying to import `HaloCatalog` from `yt.extensions.astro_analysis.halo_analysis`. Here's the error I received: ```python from yt.extensions.astro_analysis.halo_analysis import HaloCatalog ``` **Error**: ``` ModuleNotFoundError: No module named 'yt.extensions.astro_analysis' ``` My Environment: - Python version: 3.12.9 - yt version: 4.4.0 - OS: macOS Monterey (M1) Request for Help: Is there a specific installation step I might have missed, or is this module deprecated in newer versions of yt? Any guidance on resolving this issue would be greatly appreciated! Thank you!

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