Fix: correct error message.

Author: fangerer

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/bytes/ByteArrayBuiltins.java

@@ -539,7 +539,7 @@ int find(PByteArray self, PIBytesLike sub, int start, int ending) {
         @Fallback
         @SuppressWarnings("unused")
         Object doGeneric(Object self, Object sub, Object start, Object ending) {
-            throw raise(TypeError, "argument should be integer or bytes-like object, not 'str'");
+            throw raise(TypeError, "argument should be integer or bytes-like object, not '%p'", sub);
         }
     }