Update to Python 3 container and iteration semantics

jeetsukumaran · Feb 21, 2017 · 93f984b · 93f984b
1 parent 957648e
commit 93f984b
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diff --git a/dendropy/dataio/newickreader.py b/dendropy/dataio/newickreader.py
@@ -303,7 +303,8 @@ def tree_iter(self,
                     taxon_symbol_map_fn=taxon_symbol_mapper.require_taxon_for_symbol)
             yield tree
             if tree is None:
-                raise StopIteration
+                # raise StopIteration
+                return
 
     def _read(self,
             stream,

diff --git a/dendropy/datamodel/treemodel.py b/dendropy/datamodel/treemodel.py
@@ -772,6 +772,9 @@ def __hash__(self):
     def __eq__(self, other):
         return self is other
 
+    def __lt__(self, other):
+        return id(self) < id(other)
+
     ###########################################################################
     ### Basic Structure