typo in docstring

theano/tensor/opt.py

@@ -282,8 +282,6 @@ class ShapeOptimizer(Optimizer):
     input_shapes=((x0,x1), (y0,y1)) and return ((x0, y1),).
     
 
-    infer_sha
-
     Infering the shape of internal nodes in the graph is important for doing size-driven
     optimizations.  If we know how big various intermediate results will be, we can estimate
     the cost of many Ops accurately, and generate c-code that is specific [e.g. unrolled] to