testcode for doc/tutorial/adding.txt

doc/tutorial/adding.txt

@@ -72,7 +72,7 @@ are, however, assigned the theano Type ``dscalar`` in their ``type``
 field, as you can see here:
 
 >>> type(x)
-<class 'theano.tensor.basic.TensorVariable'>
+<class 'theano.tensor.var.TensorVariable'>
 >>> x.type
 TensorType(float64, scalar)
 >>> T.dscalar
@@ -201,14 +201,19 @@ with NumPy arrays may be found here: :ref:`tensor creation<libdoc_tensor_creatio
 Exercise
 ========
 
-.. code-block:: python
+.. testcode::
+
+   import theano
+   a = theano.tensor.vector() # declare variable
+   out = a + a ** 10               # build symbolic expression
+   f = theano.function([a], out)   # compile function
+   print f([0, 1, 2])
+
+.. testoutput::
+
+   [    0.     2.  1026.]
+
 
-  import theano
-  a = theano.tensor.vector() # declare variable
-  out = a + a ** 10               # build symbolic expression
-  f = theano.function([a], out)   # compile function
-  print f([0, 1, 2])  # prints `array([0, 2, 1026])`
-  
 Modify and execute this code to compute this expression: a ** 2 + b ** 2 + 2 * a * b.