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I am intalling Rasa X in a Python 3.7 conda environment on Windows 10. pip version is 20.3.3.

pip3 install rasa-x --extra-index-url https://pypi.rasa.com/simple

It have been going on for 5-6 hours and seems to be confused: enter image description here

Any idea what I can do to fix this?

MartinHN
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5 Answers5

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It is caused by the dependency resolution backtracking logic introduced in pip v20.3. (docs)

A fix for now is to downgrade pip to v20.2, with:

pip install --upgrade pip==20.2
Arjaan Buijk
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Instead of downgrading pip you can also use the old dependency resolver until pip 21.0 ships (that's when they strip the old resolver from the code base), like so:

pip3 install --use-deprecated=legacy-resolver rasa-x --extra-index-url https://pypi.rasa.com/simple
Jens Kohl
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After facing this issue for quite a while, I finally got if fixed after enquiring at rasa forum.

With rasa==2.7.0 and pip==20.2, I ran the command pip install rasa-x --extra-index-url https://pypi.rasa.com/simple which was quick. It installed rasa-x==0.40.1 for me.

Amit Pathak
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I had the same problem, I downgraded pip to v 20.2. Then I had to download Visual Studio Build Tools 2019 and the issue is resolved.

ASIL ADNAN
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The latest version of pip 21.3. also solves the problem. Just try and upgrade pip by using

pip install --upgrade pip
Sorcerer
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