How to get the needed version of a dependency

[Cecil Westerhof via Python-list]

If I want to know the dependencies for requests I use:
    pip show requests

And one of the lines I get is:
    Requires: certifi, charset-normalizer, idna, urllib3

But I want (in this case) to know with version of charset-normalizer
requests needs.
How do I get that?

-- 
Cecil Westerhof
Senior Software Engineer
LinkedIn: http://www.linkedin.com/in/cecilwesterhof
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