code: def time_expand_dims_neg(self, shape):
      np.expand_dims(self.xarg, axis=-1)
  
imports: from .common import Benchmark, get_squares_, TYPES1, DLPACK_TYPES
  import numpy
  from collections import deque
label_desc: Use image node_id 3 for calling the DimsManipulations obj's underlying member method code with example usage: obj.time_expand_dims_neg(shape) without return types