code modification in approximate_mds to avoid numpy FutureWarning

pycogent · Jul 22, 2015 · bded5f0 · bded5f0
1 parent ffec75b
commit bded5f0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cogent/cluster/approximate_mds.py b/cogent/cluster/approximate_mds.py
@@ -444,7 +444,7 @@ def add(self, mds_add, overlap_size):
         """Add a new MDS mapping to existing one
         """
 
-        if self._mds == None:
+        if self._mds is None:
             self._mds = mds_add
             return