diff --git a/run.py b/run.py
index d09753e..3143b72 100644
--- a/run.py
+++ b/run.py
@@ -6,7 +6,7 @@ from time import time as t
 def run(show_plots=False):
     # names = [name_ for name_ in os.listdir("./problems") if "tsp" in name_]
     names = ["eil76.tsp"]
-    methods = ["random", "nearest_neighbors", "best_nn"]
+    methods = ["random", "nearest_neighbors", "best_nn", ]
     results = []
     index = []
     for name in names:
diff --git a/src/TSP_solver.py b/src/TSP_solver.py
index 55e11f1..994cb1e 100644
--- a/src/TSP_solver.py
+++ b/src/TSP_solver.py
@@ -11,7 +11,7 @@ class Solver_TSP:
 
     def __init__(self, method):
         self.available_methods = {"random": self.random_method, "nearest_neighbors": self.nn,
-                                  "best_nn": self.best_nn, "multi_fragment": lambda a: a }
+                                  "best_nn": self.best_nn, "multi_fragment": self.mf}
         self.method = method
         self.solved = False
         assert method in self.available_methods, f"the {method} method is not available currently."