Hi,

On Mon, Apr 2, 2018 at 9:36 PM, Sumana Harihareswara <s...@changeset.nyc> wrote:
> Mac users:
>
> If you are running macOS/OS X version 10.12 or older, you need to
> upgrade to the latest pip (9.0.3) to connect to the Python Package Index
> securely:
>
>     curl https://bootstrap.pypa.io/get-pip.py | python
>
> Pip 9.0.3 supports TLSv1.2 when running under system Python on macOS <
> 10.13. Official release notes: https://pip.pypa.io/en/stable/news/

I wanted to check with you, whether these changes are responsible for
pip breaking for me in a extremely confusing way.

What I observed was that pip was silently failing to find any packages
on pypi, with no informative error.

This was extremely confusing, because when I tried to do an upgrade, e.g.:

$ pip install -U matplotlib

it told me everything is up to date, when this isn't correct.  There
is no other message to warn me what is going on.

Of course I can't upgrade pip in the usual way, and I get told I am up
to date, when I am not.

$ python -m pip install -U pip
Requirement already up-to-date: pip in
/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages

I assume there was meant to be some more informative message about
what is happening?   Even with such a message this is going to cause a
significant problem, but without it, it's going to cause total chaos.

Cheers,

Matthew
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