cubicweb #16121322 pip install ".[pyramid]" does not work (and so for all other extras) [validation pending]

This is due to a typo in setup.py.

priorityimportant
typebug
done in3.24.1
load left0.000
closed by#7436b65a44bc [pkg] Fix extra packages not installable
patch[pkg] Fix extra packages not installable [applied]