code: def time_einsum_outer(self, dtype):
      np.einsum("i,j", self.one_dim, self.one_dim, optimize=True)
  
imports: from .common import Benchmark, get_squares_, get_indexes_rand, TYPES1
  import numpy
label_desc: Use image node_id 2 for calling the Einsum obj's underlying member method code with example usage: obj.time_einsum_outer(dtype) without return types