[sql] Fix TokenList.__init__ when no tokens are provided

john-bodley · andialbrecht · commit aa0b85e3f754 · 2019-10-09T11:24:22.000+02:00
diff --git a/sqlparse/sql.py b/sqlparse/sql.py
@@ -162,7 +162,7 @@ class TokenList(Token):
 
     def __init__(self, tokens=None):
         self.tokens = tokens or []
-        [setattr(token, 'parent', self) for token in tokens]
+        [setattr(token, 'parent', self) for token in self.tokens]
         super(TokenList, self).__init__(None, text_type(self))
         self.is_group = True
 
