old_contents: # This file is part of the dune-gdt project:
  #   https://github.com/dune-community/dune-gdt
  # Copyright 2010-2017 dune-gdt developers and contributors. All rights reserved.
  # License: Dual licensed as BSD 2-Clause License (http://opensource.org/licenses/BSD-2-Clause)
  #      or  GPL-2.0+ (http://opensource.org/licenses/gpl-license)
  #          with "runtime exception" (http://www.dune-project.org/license.html)
  # Authors:
  #   Felix Schindler (2017)
  #   Rene Milk       (2016)
  
  from importlib import import_module
  
  
  def init_logger(max_info_level=-1,
                  max_debug_level=-1,
                  enable_warnings=True,
                  enable_colors=True,
                  info_color='blue',
                  debug_color='darkgray',
                  warning_color='red'):
      from ._gdt import init_logger as _init_logger
      initializers = [_init_logger]
      for module_name in ('xt.common', 'xt.grid', 'xt.functions', 'xt.la'):
          try:
              mm = import_module('dune.{}'.format(module_name))
              initializers.append(mm.init_logger)
          except ModuleNotFoundError:
              pass
      for initializer in initializers:
          initializer(max_info_level, max_debug_level, enable_warnings, enable_colors, info_color, debug_color,
                          warning_color)
  
  
  modules = ['assembler', 'discretefunction', 'projections']
  #for space_backend in ('fem', 'pdelab'):
  for space_backend in ('fem',):
      #for la_backend in ('common', 'eigen', 'istl'):
      for la_backend in ('istl',):
          modules.append('operators_elliptic_{}_{}'.format(space_backend, la_backend))
          #for grid in ('alberta', 'alu', 'ug', 'yasp'):
          for grid in ('alu', 'yasp'):
              modules.append('operators_elliptic_ipdg_{}_{}_{}'.format(grid, space_backend, la_backend))
              modules.append('functionals_l2_{}_{}_{}'.format(grid, space_backend, la_backend))
  modules.append('bindings')
  
  for module_name in modules:
      mod = import_module('.__{}'.format(module_name), 'dune.gdt')
      to_import = [name for name in mod.__dict__ if not name.startswith('_')]
      globals().update({name: mod.__dict__[name] for name in to_import})
  
  
new_contents: # This file is part of the dune-gdt project:
  #   https://github.com/dune-community/dune-gdt
  # Copyright 2010-2017 dune-gdt developers and contributors. All rights reserved.
  # License: Dual licensed as BSD 2-Clause License (http://opensource.org/licenses/BSD-2-Clause)
  #      or  GPL-2.0+ (http://opensource.org/licenses/gpl-license)
  #          with "runtime exception" (http://www.dune-project.org/license.html)
  # Authors:
  #   Felix Schindler (2017)
  #   Rene Milk       (2016)
  
  from importlib import import_module
  
  
  def init_logger(max_info_level=-1,
                  max_debug_level=-1,
                  enable_warnings=True,
                  enable_colors=True,
                  info_color='blue',
                  debug_color='darkgray',
                  warning_color='red'):
      from ._gdt import init_logger as _init_logger
      initializers = [_init_logger]
      for module_name in ('xt.common', 'xt.grid', 'xt.functions', 'xt.la'):
          try:
              mm = import_module('dune.{}'.format(module_name))
              initializers.append(mm.init_logger)
          except ModuleNotFoundError:
              pass
      for initializer in initializers:
          initializer(max_info_level, max_debug_level, enable_warnings, enable_colors, info_color, debug_color,
                          warning_color)
  
  
  modules = ['spaces', 'assembler', 'discretefunction', 'projections']
  #for space_backend in ('fem', 'pdelab'):
  for space_backend in ('fem',):
      #for la_backend in ('common', 'eigen', 'istl'):
      for la_backend in ('istl',):
          modules.append('operators_elliptic_{}_{}'.format(space_backend, la_backend))
          #for grid in ('alberta', 'alu', 'ug', 'yasp'):
          for grid in ('alu', 'yasp'):
              modules.append('operators_elliptic_ipdg_{}_{}_{}'.format(grid, space_backend, la_backend))
              modules.append('functionals_l2_{}_{}_{}'.format(grid, space_backend, la_backend))
  modules.append('bindings')
  
  for module_name in modules:
      mod = import_module('.__{}'.format(module_name), 'dune.gdt')
      to_import = [name for name in mod.__dict__ if not name.startswith('_')]
      globals().update({name: mod.__dict__[name] for name in to_import})
  
  
subject: add missing import