<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:

def fluent_shape(self) -> Sequence[int]:
        '''Returns a copy of the fluent shape, ignoring batch size if in batch mode.'''
        return tuple(self._shape.as_list()[1:] if self._batch else self._shape.as_list()[:])