Use the same attribute checking as done in NumPy.

theano/tensor/elemwise.py

@@ -336,7 +336,7 @@ class DimShuffle(Op):
                 'PyArray_UpdateFlags(%(res)s, NPY_ARRAY_UPDATE_ALL)',
                 #we are making a view in both inplace and non-inplace cases
 """
-#if NPY_VERSION < 0x01000009
+#if NPY_API_VERSION < 0x00000007
 PyArray_BASE(%(res)s) = (PyObject*)%(basename)s;
 #else
 PyArray_SetBaseObject(%(res)s, (PyObject*)%(basename)s);

theano/tensor/subtensor.py

@@ -862,7 +862,7 @@ class Subtensor(Op):
         finish_view = """
         if (%(z)s) Py_DECREF(%(z)s);
         Py_INCREF(py_%(x)s);
-#if NPY_VERSION < 0x01000009
+#if NPY_API_VERSION < 0x00000007
         PyArray_BASE(xview) = py_%(x)s;
 #else
         PyArray_SetBaseObject(xview, py_%(x)s);