fix snipping of unnecessary outline section

embroider.py

@@ -865,6 +865,7 @@ class AutoFill(Fill):
         the order of most-recently-visited first.
         """
 
+        original_graph = graph
         graph = graph.copy()
         num_segments = len(segments)
         segments_visited = 0
@@ -900,6 +901,11 @@ class AutoFill(Fill):
             #if segments_visited >= 12:
             #    break
 
+        # Now we have a loop that covers every grating segment.  It returns to
+        # where it started, which is unnecessary, so we'll snip the last bit off.
+        while original_graph.has_edge(*path[-1], key="outline"):
+            path.pop()
+
         return path
 
     def collapse_sequential_outline_edges(self, graph, path):
@@ -992,9 +998,6 @@ class AutoFill(Fill):
         graph = self.build_graph(segments, angle, row_spacing)
         path = self.find_stitch_path(graph, segments)
 
-        # snip off the last one because it just unnecessarily returns to the start
-        path.pop()
-
         if starting_point:
             patch = Patch(self.color)
             self.connect_points(patch, starting_point, path[0][0])