allow none

holoviz · Apr 29, 2020 · 164f2d9 · 164f2d9
1 parent 0fe8163
commit 164f2d9
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/param/__init__.py b/param/__init__.py
@@ -1605,6 +1605,9 @@ def __init__(self, default=None, dims=None, coords=None, **params):
 
 
     def _validate(self, val):
+        if self.allow_None and val is None:
+            return
+
         super(DataArray, self)._validate(val)
         self._validate_dims_coords(val)
 
@@ -1639,6 +1642,9 @@ def __init__(self, default=None, dims=None, coords=None, data_vars=None,
 
 
     def _validate(self, val):
+        if self.allow_None and val is None:
+            return
+
         super(Dataset, self)._validate(val)
 
         self._validate_dims_coords(val)