Convert generators to lists

Author: mfalkiewicz

nipype/pipeline/plugins/base.py

@@ -519,14 +519,14 @@ def run(self, graph, config, updatehash=False):
         pyfiles = []
         dependencies = {}
         self._config = config
-        nodes = nx.topological_sort(graph)
+        nodes = list(nx.topological_sort(graph))
         logger.debug('Creating executable python files for each node')
         for idx, node in enumerate(nodes):
             pyfiles.append(create_pyscript(node,
                                            updatehash=updatehash,
                                            store_exception=False))
             dependencies[idx] = [nodes.index(prevnode) for prevnode in
-                                 graph.predecessors(node)]
+                                 list(graph.predecessors(node))]
         self._submit_graph(pyfiles, dependencies, nodes)
 
     def _get_args(self, node, keywords):