Fix indentation style in ctc module

theano/tensor/nnet/ctc.py

@@ -69,8 +69,8 @@ def ctc(activations, labels, input_lengths=None):
 @register_stabilize 
 @local_optimizer([ConnectionistTemporalClassification]) 
 def local_ConnectionistTemporalClassification_no_grad(node): 
-  if isinstance(node.op, ConnectionistTemporalClassification): 
-    if len(node.outputs) > 1:
-      if len(node.outputs[1].clients) == 0:   # gradient is not used
-        node.op = ConnectionistTemporalClassification(computeGradient=False)
-        node.outputs = node.outputs[:1]   # costs only
\ No newline at end of file
+    if isinstance(node.op, ConnectionistTemporalClassification): 
+        if len(node.outputs) > 1:
+            if len(node.outputs[1].clients) == 0:   # gradient is not used
+                node.op = ConnectionistTemporalClassification(computeGradient=False)
+                node.outputs = node.outputs[:1]   # costs only