I installed Postgres 9.5 on my Mac (OS X v 10.10.5) using Homebrew, and
there is no support for PLPython=E2=80=A6 there is plython* files in
/usr/local/share/postgresql/extension. Attempting to run "CREATE EXTENSION
plpythonu;=E2=80=9D give error: ERROR: could not open extension control fi=
le
"/usr/local/share/postgresql/extension/plpythonu.control": No such file or
directory.