def get_version():
    version = {}
    with open("bqueryd/version.py") as fp:
        exec (fp.read(), version)
    return version
def _acc_grads(g_sum, g_w, g):
  """Accumulate gradients in g, weighted by g_w."""
  return [g_sum_i + g_w * g_i for g_sum_i, g_i in zip(g_sum, g)]