instance krill warning for compatibility

MDCHAMP · Feb 25, 2022 · 32e75c2 · 32e75c2
1 parent 9afcf9a
commit 32e75c2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/freelunch/optimisers.py b/src/freelunch/optimisers.py
@@ -403,7 +403,7 @@ def local_motion(self,herd,gen):
         winner, loser = self.winners_and_losers(herd)
         spread = loser[0] - winner[0]
         if spread == 0:
-            warnings.warn(util.KrillSingularityWarning)
+            warnings.warn(util.KrillSingularityWarning())
             spread = 1e-8
         # Alpha stores local [0] and target [1] for each krill 
         alpha = [np.zeros_like(herd[1]), np.zeros_like(herd[1])]