Update climada/entity/impact_funcs/test/test_imp_fun_set.py

Co-authored-by: Lukas Riedel <[email protected]>

Author: spjuhel

climada/entity/impact_funcs/test/test_imp_fun_set.py

@@ -297,7 +297,7 @@ def setUp(self):
         mdd = np.array([0, 0.5])
 
         fun_1 = ImpactFunc("TC", 3, intensity, mdd, paa)
-        fun_2 = ImpactFunc("TC", 3, intensity, mdd, paa)
+        fun_2 = ImpactFunc("TC", 3, deepcopy(intensity), deepcopy(mdd), deepcopy(paa))
         fun_3 = ImpactFunc("TC", 4, intensity + 1, mdd, paa)
 
         self.impact_set1 = ImpactFuncSet([fun_1])