BUG pandas-dev#15713 fixing failing tests

ucals · Mar 21, 2017 · 89fb6cf · 89fb6cf
1 parent 17d1d77
commit 89fb6cf
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pandas/core/generic.py b/pandas/core/generic.py
@@ -3971,7 +3971,7 @@ def asof(self, where, subset=None):
         if not isinstance(where, Index):
             where = Index(where) if is_list else Index([where])
 
-        if self.isnull().all():
+        if self.isnull().values.all():
             return pd.Series([np.nan])
 
         nulls = self.isnull() if is_series else self[subset].isnull().any(1)