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I've read that

rolling back rpy2 version to v3.4.2 fixed the problem

(in this case Rpy2 Error depends on execution method: NotImplementedError: Conversion "rpy2py" not defined, but it could be any problem)

How can I change the installed version of the python package rpy2 to version v3.4.2 in Google Colab? I know the command !pip install rpy2, but how can I chose a specific version and is it a problem if there is already a newer version installed?

In other words: How can I downgrade the version of a python package in Google Colab?

Jakob
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1 Answers1

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!pip install -Iv rpy2==3.4.2

worked for me as explained in https://stackoverflow.com/a/5226504/7735095

Jakob
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