Removed the Assignment of a variable to itself (aimacode#976)

ParthS007 · norvig · commit 152e5b071169 · 2018-10-21T10:41:07.000-07:00
diff --git a/planning.py b/planning.py
@@ -32,7 +32,7 @@ def convert(self, clauses):
         try:
             clauses = conjuncts(clauses)
         except AttributeError:
-            clauses = clauses
+            pass
 
         new_clauses = []
         for clause in clauses:
