Reduce for loop nesting

workflow steps.

"""

import math

from itertools import chain

from galaxy.util.topsort import (

    CycleError,

                min_top = min(min_top_comments, min_top)

            # normalize comments by min_left and min_top

            for comment_list in [sortable_comments, freehand_comments]:

                for comment in comment_list:

            for comment in chain(sortable_comments, freehand_comments):

                comment.position = [comment.position[0] - min_left, comment.position[1] - min_top]

            # order by Euclidean distance to the origin