Change type of branch field in DecisionTree class

Type was Any, now it is DecisionTreeBranch.

src/AI/DecisionTrees/DecisionTree.py

@@ -1,13 +1,14 @@
 from typing import List, Any
 
 from src.AI.DecisionTrees.AttributeDefinition import AttributeDefinition
+from src.AI.DecisionTrees.DecisionTreeBranch import DecisionTreeBranch
 
 
 class DecisionTree(object):
     root: AttributeDefinition
-    branches: List[Any]
+    branches: List[DecisionTreeBranch]
 
     def __init__(self, root):
         self.root = root
         self.branches = []
-        self.branchesNum = 0
+        self.branchesNum = 0