Re-exclude twisted.plugins from packages entry.
Re-exclude twisted.plugins from packages entry.

This avoids hitting the pip uninstall bug, for now.

Until this is fixed, users of Vumi's start_worker twistd plugin will
have to continue using a source checkout or developer / pip editable
install of Vumi, as before.

TouK/vumi,vishwaprakashmishra/xmatrix,vishwaprakashmishra/xmatrix,harrissoerja/vumi,harrissoerja/vumi,vishwaprakashmishra/xmatrix,harrissoerja/vumi,TouK/vumi,TouK/vumi