Fix unexpected error in the literalstring challenge, fixes #81

Author: laike9m

challenges/intermediate-literalstring/question.py

@@ -3,13 +3,15 @@
 
 You're writing a web backend.
 Annotate a function `execute_query` which runs SQL, but also can prevent SQL injection attacks.
+
+NOTE: You don't need to implement `execute_query`
 """
 
 from typing import Iterable
 
 
 def execute_query(sql, parameters: Iterable[str] = ...):
-    """No need to implement it"""
+    ...
 
 
 ## End of your code ##

challenges/intermediate-literalstring/solution.py

@@ -3,6 +3,8 @@
 
 You're writing a web backend.
 Annotate a function `execute_query` which runs SQL, but also can prevent SQL injection attacks.
+
+NOTE: You don't need to implement `execute_query`
 """
 
 from typing import LiteralString, Iterable