Alias np.float deprecated in modern numpy versions

barnaba/kde.py

@@ -239,7 +239,7 @@ def evaluate(self, points):
                     self.d)
                 raise ValueError(msg)
 
-        result = zeros((m,), dtype=np.float)
+        result = zeros((m,), dtype=float)
 
         if m >= self.n:
             # there are more points than data, so loop over data