old_contents: from .transmutagen import (general_rat_func, nsolve_intervals, nsolve_points,
      plot_in_terminal, log_function_args, CRAM_exp)
  
  __all__ = ['general_rat_func', 'nsolve_intervals', 'nsolve_points',
      'plot_in_terminal', 'log_function_args', 'CRAM_exp']
  
new_contents: from .transmutagen import (general_rat_func, nsolve_intervals, nsolve_points,
      plot_in_terminal, log_function_args, CRAM_exp)
  
  __all__ = ['general_rat_func', 'nsolve_intervals', 'nsolve_points',
      'plot_in_terminal', 'log_function_args', 'CRAM_exp']
  
  from .partialfrac import (t, thetas_alphas, thetas_alphas_to_expr,
      thetas_alphas_to_expr_complex, allroots, MatrixNumPyPrinter, autoeye)
  
  __all__ += ['t', 'thetas_alphas', 'thetas_alphas_to_expr',
      'thetas_alphas_to_expr_complex', 'allroots', 'MatrixNumPyPrinter', 'autoeye']
  
  from .util import diff_strs, relative_error
  
  __all__ += ['diff_strs', 'relative_error']
  
subject: Add partialfrac and util to __init__.py