Warning: count(): Parameter must be an array or an object that implements Countable in _term_reference_tree_output_list_level() (line 202 of /var/www/html/sites/all/modules/term_reference_tree/term_reference_tree.widget.inc).
Warning: count(): Parameter must be an array or an object that implements Countable in _term_reference_tree_output_list_level() (line 202 of /var/www/html/sites/all/modules/term_reference_tree/term_reference_tree.widget.inc).
Warning: count(): Parameter must be an array or an object that implements Countable in _term_reference_tree_output_list_level() (line 202 of /var/www/html/sites/all/modules/term_reference_tree/term_reference_tree.widget.inc).
Luigi is a Python module that helps you build complex pipelines of batch jobs. It handles dependency resolution, workflow management, visualization etc. It also comes with Hadoop support built in.