Small deprecation fix

theano/tests/test_printing.py

@@ -83,7 +83,7 @@ def test_pydotprint_variables():
     try:
         theano.printing.pydotprint(x * 2)
         if not theano.printing.pd.__name__ == "pydot_ng":
-            theano.printing.pydotprint_variables(x * 2)
+            theano.printing.pydotprint(x * 2)
     finally:
         theano.theano_logger.addHandler(orig_handler)
         theano.theano_logger.removeHandler(new_handler)