fix: set _id property of cloned node too

Author: mgxd

nipype/pipeline/engine/base.py

@@ -84,9 +84,12 @@ def clone(self, name):
             A clone of node or workflow must have a new name
         """
         if name == self.name:
-            raise ValueError('Cloning requires a new name, "%s" is in use.' % name)
+            raise ValueError('Cloning requires a new name, "%s" is '
+                             'in use.' % name)
         clone = deepcopy(self)
         clone.name = name
+        if hasattr(clone, '_id'):
+            clone._id = name
         return clone
 
     def _check_outputs(self, parameter):