Removed a useless comparison

If 'axis' is empty then x.ndim must be equal to zero, and thus we also have 'axis == range(x.ndim)'. If x.ndim in non-zero, there is no reason for axis to be empty, so better not catch this case.

Removed a useless comparison
87e636be · Olivier Delalleau · 62a49c49 · 87e636be
--- a/theano/tensor/basic.py
+++ b/theano/tensor/basic.py
@@ -1913,7 +1913,7 @@ class MaxAndArgmax(Op):
    def perform(self, node, inp, outs):
        x, axis = inp
        max, max_idx = outs
-        if len(axis) == 0 or python_all(axis == range(x.ndim)):
+        if python_all(axis == range(x.ndim)):
            axis = None
        max[0] = numpy.asarray(numpy.max(x, axis))
        max_idx[0] = theano._asarray(numpy.argmax(x, axis), dtype='int32')