io

src/io_tsp.py

@@ -36,7 +36,9 @@ class Instance:
             self.points[i, 2] = line_i[2]
 
         self.create_dist_matrix()
+        self.exist_opt = False
         if [name for name in ["eil76", "kroA100"] if name in name_tsp]:
+            self.exist_opt = True
             file_object = open(name_tsp.replace(".tsp", ".opt.tour"))
             data = file_object.read()
             file_object.close()