[devtools] improve error message when postgresql tools are missing
By default in at least Debian, some pg tools are not present in the
PATH. Or they may not be installed. But the tests tools expects them
to be in the PATH, and give an unhelpful 'No such file or directory'
backtrace if they're not found. To help devs using the pg tests we
improve the error message.
# -*- coding: utf-8 -*-
###############################################################################
#
# Put here information about external resources / styles used by your cube,
# or to overides existing UI properties.
#
# Existing properties are available through the `sheet` dictionary available
# in the global namespace. You also have access to a `data` function which
# will return proper url for resources in the 'data' directory.
#
# /!\ this file should not be imported /!\
###############################################################################
# CSS stylesheets to include in HTML headers
# uncomment the line below to use template specific stylesheet
# STYLESHEETS = sheet['STYLESHEETS'] + [data('cubes.%(cubename)s.css')]