white space fix.

theano/sandbox/cuda/opt.py

@@ -21,6 +21,7 @@ from theano.sandbox.cuda.nnet import (
         GpuSoftmax, GpuSoftmaxWithBias)
 from theano.compile import optdb
 from theano.tensor.blas import _is_real_vector, _is_real_matrix
+
 #optdb.print_summary()  # shows what is currently registered
 
 gpu_optimizer = EquilibriumDB()