proactive choice replace = False

model.py

@@ -255,7 +255,8 @@ class Model(ap.Model):
                     [lst_affected[i] for i in
                      self.nprandom.choice(range(len(lst_affected)),
                                           round(len(lst_affected) *
-                                                self.proactive_ratio))]
+                                                self.proactive_ratio),
+                                          replace=False)]
 
                 for firm_code, prod_code in lst_firm_proactive:
                     pro_firm_prod_code = \
@@ -321,10 +322,10 @@ class Model(ap.Model):
                                     'Product': di_supp_prod.code
                                 })
                             ])
-                            # print(f"proactive add {select_cand.code} to "
-                            #       f"{pro_firm.code} "
-                            #       f"for {di_supp_node['Firm_Code']} "
-                            #       f"{di_supp_node['Product_Code']}")
+                            print(f"proactive add {select_cand.name} to "
+                                  f"{pro_firm.name} "
+                                  f"for {di_supp_node['Firm_Code']} "
+                                  f"{di_supp_node['Product_Code']}")
                             # change capacity
                             select_cand.dct_prod_capacity[di_supp_prod] -= 1
                             break