old_contents: from . import models
  from . import means
  from . import mlls
  from . import kernels
  from .module import Module
  from .mlls import ExactMarginalLogLikelihood, VariationalMarginalLogLikelihood
  from .functions import add_diag, add_jitter, dsmm, log_normal_cdf, normal_cdf
  from .functions import inv_matmul, inv_quad, inv_quad_log_det, log_det, matmul
  from .functions import root_decomposition, root_inv_decomposition
  from .functions import exact_predictive_mean, exact_predictive_covar
  from . import beta_features
  from . import settings
  from .beta_features import fast_pred_var
  
  
  __all__ = [
      # Submodules
      models,
      mlls,
      means,
      kernels,
      # Classes
      Module,
      ExactMarginalLogLikelihood,
      VariationalMarginalLogLikelihood,
      # Functions
      add_diag,
      add_jitter,
      dsmm,
      exact_predictive_mean,
      exact_predictive_covar,
      inv_matmul,
      inv_quad,
      inv_quad_log_det,
      matmul,
      log_det,
      log_normal_cdf,
      normal_cdf,
      root_decomposition,
      root_inv_decomposition,
      # Context managers
      beta_features,
      fast_pred_var,
      settings,
  ]
  
new_contents: from . import models
  from . import means
  from . import mlls
  from . import kernels
  from . import priors
  from .module import Module
  from .mlls import ExactMarginalLogLikelihood, VariationalMarginalLogLikelihood
  from .functions import add_diag, add_jitter, dsmm, log_normal_cdf, normal_cdf
  from .functions import inv_matmul, inv_quad, inv_quad_log_det, log_det, matmul
  from .functions import root_decomposition, root_inv_decomposition
  from .functions import exact_predictive_mean, exact_predictive_covar
  from . import beta_features
  from . import settings
  from .beta_features import fast_pred_var
  
  
  __all__ = [
      # Submodules
      models,
      mlls,
      means,
      kernels,
      priors,
      # Classes
      Module,
      ExactMarginalLogLikelihood,
      VariationalMarginalLogLikelihood,
      # Functions
      add_diag,
      add_jitter,
      dsmm,
      exact_predictive_mean,
      exact_predictive_covar,
      inv_matmul,
      inv_quad,
      inv_quad_log_det,
      matmul,
      log_det,
      log_normal_cdf,
      normal_cdf,
      root_decomposition,
      root_inv_decomposition,
      # Context managers
      beta_features,
      fast_pred_var,
      settings,
  ]
  
subject: Add priors import to __init__.py