==> Creating clean working copy [build]...done
==> Making package: pyew 2.3.0.0.17bb704fc6d5a.-1 (Fri Oct  9 14:20:32 EDT 2015)
==> Retrieving sources...
  -> Cloning pyew hg repo...
/usr/sbin/makepkg: line 640: hg: command not found
==> ERROR: Failure while downloading pyew hg repo
    Aborting...
==> ERROR: Could not download sources.