Fix Python syntax error

cclauss · web-flow · commit a6ec61b5103a · 2020-02-25T23:19:12.000+01:00
diff --git a/data_structures/doubly_linked_list/doubly_linked_list.py b/data_structures/doubly_linked_list/doubly_linked_list.py
@@ -1,7 +1,7 @@
 class Node:
-    def __init__(self, data = None, next, previous = None):
+    def __init__(self, data = None, next = None, previous = None):
         self.data = data
-        self.next = None
+        self.next = next
         self.previous = previous
 
 class Lista:
