fixing error for scalar variables

theano/tensor/basic.py

@@ -4400,6 +4400,11 @@ class Reshape(Op):
         # Here, we only simplify if the shape (node.inputs[1]) is a constant,
         # ideally it would suffice to check that it is always non-negative.
 
+        # If current variable is a scalar and its dimensionality should
+        # change to self.ndim, then use size 1 for all new dimensions.
+        if len(ishapes[0]) == 0:
+            return [(1,) * self.ndim]
+
         requ = node.inputs[1]
         if isinstance(requ, theano.tensor.TensorConstant):
             requ = list(requ.data)