This got dropped during the cli simplification. Re: #1679
@ -423,7 +423,8 @@ def run_command(info, host, port, reload, debugger, eager_loading,
print(' * Forcing debug mode %s' % (debug and 'on' or 'off'))
run_simple(host, port, app, use_reloader=reload,
use_debugger=debugger, threaded=with_threads)
use_debugger=debugger, threaded=with_threads,
passthrough_errors=True)
@click.command('shell', short_help='Runs a shell in the app context.')