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Knowledgebase: Offline Data Reduction and/or CASA
On OSX, why is CASA crashing with references to packages that are installed externally to CASA?
Posted by Nathan Brunetti, Last modified by Sarah Wood on 15 March 2018 06:36 PM
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Sometimes packages that are distributed within the CASA installation (such as IPython, numpy etc.) become confused with non-CASA installations upon starting or working in CASA. Error messages like CASA Version 4.2.2 (r30986)can appear, where you can see the last file reference is a module outside the CASA directory (on OSX, the CASA.app directory). On OSX, this problem has been found to occur most commonly when a package is installed by the user with the easy_install tool. This tool automatically prepends paths to its packages to the beginning of the PYTHONPATH environment variable causing CASA to try using the external installations instead of it's own. Then if there are any version incompatibilities between the package CASA is shipped with and those installed elsewhere on a user's computer, there will likely be problems. An internal CASA code fix for this was released in CASA 4.4.0. user@fakeMachine > pwd Feel free to submit questions about this workaround to the ALMA Helpdesk. | |
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