docstring fix

theano/gradient.py

@@ -2084,16 +2084,17 @@ def grad_scale(x, multiplier):
     :param multiplier: scale of the gradient
 
     :examples:
-    x = theano.tensor.fscalar()
-    fx = theano.tensor.sin(x)
 
-    fp = theano.tensor.grad(fx, wrt=x)
-    fprime = theano.function([x], fp)
-    print(fprime(2))#-0.416
+        x = theano.tensor.fscalar()
+        fx = theano.tensor.sin(x)
 
-    f_inverse=grad_scale(fx,-1.)
-    fpp = theano.tensor.grad(f_inverse, wrt=x)
-    fpprime = theano.function([x], fpp)
-    print(fpprime(2))#0.416
+        fp = theano.tensor.grad(fx, wrt=x)
+        fprime = theano.function([x], fp)
+        print(fprime(2))#-0.416
+
+        f_inverse=grad_scale(fx,-1.)
+        fpp = theano.tensor.grad(f_inverse, wrt=x)
+        fpprime = theano.function([x], fpp)
+        print(fpprime(2))#0.416
     """
     return GradScale(multiplier)(x)