Set default histogram bin_range to None
@@ -464,7 +464,7 @@ class histogram(ElementOperation):
dimension.
"""
- bin_range = param.NumericTuple(default=(0, 0), doc="""
+ bin_range = param.NumericTuple(default=None, length=2, doc="""
Specifies the range within which to compute the bins.""")
dimension = param.String(default=None, doc="""
