code: def get_updated_vector(self, rng, x0):
      return x0 + self.get_factor(rng) * self.scale * rng.randn(
          *(x0.shape)
      )
  
file_path: emcee/src/emcee/moves/gaussian.py
imports: import numpy
  from .mh import MHMove
label_desc: Use image node_id 3 for calling the _isotropic_proposal obj's underlying member method code with example usage: obj.get_updated_vector(rng, x0) and returns: unknown