message: Adding missing slash
diff: @@ -42,7 +42,7 @@ ENV PATH=/home/superset/superset/bin:$PATH \
  PYTHONPATH=/home/superset/superset/:$PYTHONPATH
  RUN cd superset/assets \
  - && npm ci
  + && npm ci \
  && npm run sync-backend \
  && npm run build \
  && rm -rf node_modules
  