FIX: Change is comparison to == for tuple

RDFLib · Apr 16, 2020 · 9567926 · 9567926
1 parent a22f453
commit 9567926
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/rdflib/plugins/memory.py b/rdflib/plugins/memory.py
@@ -360,7 +360,7 @@ def triples(self, triplein, context=None):
                 if self.__tripleHasContext(enctriple, cid))
 
     def contexts(self, triple=None):
-        if triple is None or triple is (None, None, None):
+        if triple is None or triple == (None, None, None):
             return (context for context in self.__all_contexts)
 
         enctriple = self.__encodeTriple(triple)