code: def b(self, bval):
      return pt.as_tensor_variable(np.asarray(bval, dtype=self.dtype))
  
imports: import pickle
  import numpy
  import pytest
  import pytensor
  from pytensor import tensor
  from pytensor.tensor.blas_scipy import ScipyGer
  from pytensor.tensor.math import outer
  from pytensor.tensor.type import tensor
  from tests.tensor.test_blas import TestBlasStrides, gemm_no_inplace
  from tests.unittest_tools import OptimizationTestMixin
label_desc: Use image node_id 4 for calling the TestScipyGer obj's underlying member method code with example usage: obj.b(bval) and returns: pt