trying to fix error in some builds

Author: Nick Eubank

pandas/core/generic.py

@@ -2033,10 +2033,11 @@ def sample(self, n=None, frac=None, replace=False, weights=None, random_state=No
             # If has nan, set to zero. Already know there are no infs. 
             weights = weights.fillna(0)
 
-
             # Check that weights sum to 1. If not, renormalize. 
             if weights.sum() != 1:
                 weights = weights / weights.sum()
+                
+            weights = weights.values
 
         ###
         # Process n and frac arguments

pandas/tests/test_generic.py

@@ -436,7 +436,6 @@ def test_sample(self):
         with tm.assertRaises(ValueError):
             s.sample(n=3, weights='weight_column')
 
-
         # A few dataframe test with degenerate weights. 
         easy_weight_list = [0]*10
         easy_weight_list[5] = 1