fix for PdbBreakpoint stacktrace

theano/gpuarray/opt.py

@@ -962,6 +962,7 @@ def local_gpu_pdbbreakpoint_op(node):
             return False
 
         # Apply the op on the new inputs
+        with inherit_stack_trace(node.outputs):
             new_op_outputs = node.op(*new_inputs, return_list=True)
 
             # Propagate the transfer to the gpu through the outputs that require

theano/gpuarray/tests/test_opt.py

@@ -44,7 +44,6 @@ def _check_stack_trace(thing):
                                    basic_ops.GpuContiguous,
                                    GpuElemwise,
                                    theano.printing.Print,
-                                   PdbBreakpoint,
                                    ))
     return check_stack_trace(thing, ops_to_check=_ops_to_check,
                              bug_print="ignore")