Some inappropriate code at UnshardedSkeletonMergeTask (#130)

* Update skeleton.py

* Update skeleton.py

igneous/tasks/skeleton.py

@@ -235,7 +235,7 @@ def execute(self):
     skeletons = []
     for segid, frags in skels.items():
       skeleton = self.fuse_skeletons(frags)
-      if self.max_cable_length is None or skel.cable_length() <= self.max_cable_length:
+      if self.max_cable_length is None or skeleton.cable_length() <= self.max_cable_length:
         skeleton = kimimaro.postprocess(
           skeleton, self.dust_threshold, self.tick_threshold
         )
@@ -255,21 +255,21 @@ def get_filenames(self):
     return [ _ for _ in cf.list(prefix=prefix) ]
 
   def get_skeletons_by_segid(self, filenames):
-    cf = CloudFiles(self.cloudpath, progress=True)
+    cf = CloudFiles(self.cloudpath, progress=False)
     skels = cf.get(filenames)
 
     skeletons = defaultdict(list)
     for skel in skels:
       try:
-        segid = filename_to_segid(skel['filename'])
+        segid = filename_to_segid(skel['path'])
       except ValueError:
         # Typically this is due to preexisting fully
         # formed skeletons e.g. skeletons_mip_3/1588494
         continue
 
       skeletons[segid].append( 
         (
-          Bbox.from_filename(skel['filename']),
+          Bbox.from_filename(skel['path']),
           pickle.loads(skel['content'])
         )
       )
@@ -526,4 +526,4 @@ def TransferSkeletonFilesTask(
   cf_src = CloudFiles(cv_src.mesh.meta.layerpath)
   cf_dest = CloudFiles(cv_dest.mesh.meta.layerpath)
 
-  cf_src.transfer_to(cf_dest, paths=cf_src.list(prefix=prefix))
+  cf_src.transfer_to(cf_dest, paths=cf_src.list(prefix=prefix))