Get error for hugo-build in wercker . but work well in my computer.
My Hugo Code, detail see here
{{ $bp := after $nums $bookPages }}
Error Log:
export WERCKER_STEP_ROOT="/pipeline/hugo-build-3d75b3b5-460a-485e-bd78-36b0f2be1fba"
export WERCKER_STEP_ID="hugo-build-3d75b3b5-460a-485e-bd78-36b0f2be1fba"
export WERCKER_STEP_OWNER="arjen"
export WERCKER_STEP_NAME="hugo-build"
export WERCKER_REPORT_NUMBERS_FILE="/report/hugo-build-3d75b3b5-460a-485e-bd78-36b0f2be1fba/numbers.ini"
export WERCKER_REPORT_MESSAGE_FILE="/report/hugo-build-3d75b3b5-460a-485e-bd78-36b0f2be1fba/message.txt"
export WERCKER_REPORT_ARTIFACTS_DIR="/report/hugo-build-3d75b3b5-460a-485e-bd78-36b0f2be1fba/artifacts"
export WERCKER_HUGO_BUILD_VERSION="0.15"
export WERCKER_HUGO_BUILD_FORCE_INSTALL="false"
export WERCKER_HUGO_BUILD_PROD_BRANCHES="master"
export WERCKER_HUGO_BUILD_DISABLE_PYGMENTS="false"
export WERCKER_HUGO_BUILD_CONFIG=""
export WERCKER_HUGO_BUILD_FLAGS=""
export WERCKER_HUGO_BUILD_DEV_FLAGS=""
export WERCKER_HUGO_BUILD_THEME=""
export WERCKER_HUGO_BUILD_DEV_BRANCHES=""
source "/pipeline/hugo-build-3d75b3b5-460a-485e-bd78-36b0f2be1fba/run.sh" < /dev/null
ERROR: 2016/02/25 template: partials/book/updowncharpter.html:8: function "after" not defined
ERROR: 2016/02/25 Error while rendering section book: reflect: call of reflect.Value.FieldByName on ptr Value