# Python node failing - No serializer extension having the id or processing python type "int"

**URL:** <https://forum.knime.com/t/python-node-failing-no-serializer-extension-having-the-id-or-processing-python-type-int/11203>\
**Category:** KNIME Analytics Platform\
**Tags:** python\
**Created:** [June 3, 2018, 8:13am UTC](https://forum.knime.com/t/python-node-failing-no-serializer-extension-having-the-id-or-processing-python-type-int/11203 "2018-06-03T08:13:28Z")\
**Posts on this page:** 1\
**Showing post:** 14

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**Author:** ![thor](https://forum-cdn.knime.com/user_avatar/forum.knime.com/thor/32/4_2.png) [@thor](https://forum.knime.com/u/thor)\
**Post date:** [July 5, 2018, 2:42pm UTC](https://forum.knime.com/t/python-node-failing-no-serializer-extension-having-the-id-or-processing-python-type-int/11203/14 "2018-07-05T14:42:01Z")

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R 3.5 has a bug in Rserve that lets our integration fail. We don’t have a solution for this yet.

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_[View the full topic](https://forum.knime.com/t/python-node-failing-no-serializer-extension-having-the-id-or-processing-python-type-int/11203)._