old_contents: # flake8: noqa
  from textx.metamodel import metamodel_from_file, metamodel_from_str
  from textx.model import get_children_of_type, get_parent_of_type, \
      get_model, get_metamodel, get_children
  from textx.exceptions import TextXError, TextXSyntaxError, \
      TextXSemanticError, TextXRegistrationError
  from textx.scoping.tools import textx_isinstance
  from textx.generators import get_output_filename, gen_file
  from textx.registration import (LanguageDesc, GeneratorDesc,
                                  register_language, register_generator,
                                  language_descriptions, language_description,
                                  generator_descriptions, generator_description,
                                  clear_language_registrations,
                                  clear_generator_registrations,
                                  languages_for_file,
                                  language_for_file,
                                  metamodel_for_language,
                                  metamodel_for_file,
                                  metamodels_for_file,
                                  generator_for_language_target,
                                  generator, language)
  
  __version__ = "2.2.0"
  
new_contents: # flake8: noqa
  from textx.metamodel import metamodel_from_file, metamodel_from_str
  from textx.model import get_children_of_type, get_parent_of_type, \
      get_model, get_metamodel, get_children
  from textx.exceptions import TextXError, TextXSyntaxError, \
      TextXSemanticError, TextXRegistrationError
  from textx.scoping.tools import textx_isinstance
  from textx.generators import get_output_filename, gen_file
  from textx.registration import (LanguageDesc, GeneratorDesc,
                                  register_language, register_generator,
                                  language_descriptions, language_description,
                                  generator_descriptions, generator_description,
                                  clear_language_registrations,
                                  clear_generator_registrations,
                                  languages_for_file,
                                  language_for_file,
                                  metamodel_for_language,
                                  metamodel_for_file,
                                  metamodels_for_file,
                                  generator_for_language_target,
                                  generator, language)
  
  __version__ = "2.3.0.dev0"
  
subject: Change to dev version