Added serializer fix from #434.

mpld3 · Mar 12, 2018 · 41746d1 · 41746d1
1 parent 3b13f0f
commit 41746d1
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/mpld3/_display.py b/mpld3/_display.py
@@ -141,6 +141,8 @@ def default(self, obj):
         elif isinstance(obj, (numpy.float_, numpy.float16, numpy.float32, 
             numpy.float64)):
             return float(obj)
+        elif isinstance(obj, (numpy.ndarray,)):
+            return obj.tolist()
         return json.JSONEncoder.default(self, obj)