.

theano/tensor/tests/test_opt.py

@@ -6060,8 +6060,6 @@ def test_local_useless_split():
     assert len(graph_nonopt)==1
     assert isinstance(graph_nonopt[0].op, tensor.Split)
 
-    # Check if there are use cases that are not covered here
-    # and if the line below is necessary and correct (See issue #4421)
     assert check_stack_trace(f_opt, ops_to_check=[Assert])
     assert check_stack_trace(f_nonopt, ops_to_check='all')