Exclusion Zone Bug Fix

topfarm/easy_drivers.py

@@ -1387,7 +1387,7 @@ class EasyIpOptOptimizeDriver(drv.ScipyOptimizeDriver, EasyDriverBase):
             self._rec_obj['fval'].append(self._objfunc(self.xi))
             self._rec_obj['xi'].append(self.xi)
 
-            if self._level_fun is not None:
+            if self.zone_fun is not None:
                 list_lvl = []
                 for wt_i in range(self.n_wt):
                     list_lvl.append(self._level_fun(self.xi, wt_i)[0])