old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  # Author: Arne Neumann <discoursegraphs.programming@arne.cl>
  
  __author__ = 'Arne Neumann'
  __email__ = 'discoursegraphs.programming@arne.cl'
  __version__ = '0.3.1'
  
  # flake8: noqa
  
  import os
  from networkx import write_gpickle
  
  from discoursegraphs.discoursegraph import (
      DiscourseDocumentGraph, EdgeTypes, create_token_mapping,
      get_annotation_layers, get_span, get_span_offsets,
      get_text, is_continuous, istoken, layer2namespace,
      select_neighbors_by_edge_attribute,
      select_neighbors_by_layer, select_nodes_by_attribute,
      select_nodes_by_layer, select_edges_by_attribute,
      select_edges_by, tokens2text,
      get_pointing_chains, get_top_level_layers)
  from discoursegraphs.readwrite import (
      read_anaphoricity, write_brackets, write_brat, read_conano, read_conll, write_conll,
      read_decour, write_dot, read_exb, read_exmaralda, write_exmaralda, write_exb,
      read_exportxml, write_freqt, write_graphml, write_gexf, read_mmax2,
      write_neo4j, write_geoff, write_paula,
      read_ptb, read_mrg,
      read_rst, read_rs3, read_dis, read_tiger)
  from discoursegraphs.readwrite.dot import print_dot
  from discoursegraphs.statistics import info
  from discoursegraphs.util import xmlprint, make_labels_explicit, find_files
  
  
  SRC_ROOT_DIR = os.path.abspath(os.path.dirname(__file__))
  
  
  def get_package_root_dir(src_root_dir=SRC_ROOT_DIR):
      """return the path to the root directory of this package.
  
      This clumsy function allows me to distribute a data directory with my
      package (specified via the ``data_files`` parameter of
      ``setuptools.setup``), no matter if it is installed via setup.py or
      a ``requirements.txt`` file.
      """
      parentdir_path = os.path.abspath(os.path.join(src_root_dir, os.pardir))
      dirname = os.path.basename(parentdir_path)
      if dirname.startswith('discoursegraphs') and dirname.endswith('.egg'):
          # package was installed via setup.py
          return parentdir_path
      elif dirname == 'site-packages':
          # package was installed using wheel
          base_dir_path = os.path.join(os.sep, *parentdir_path.split(os.sep)[:-5])
          return base_dir_path
      else:  # software was installed via requirements.txt
          grandparentdir_path = os.path.abspath(
              os.path.join(src_root_dir, os.pardir, os.pardir))
          return grandparentdir_path
  
  
  PACKAGE_ROOT_DIR = get_package_root_dir(SRC_ROOT_DIR)
  DATA_ROOT_DIR = os.path.join(PACKAGE_ROOT_DIR, 'data')
  
  # corpora can't be imported before root dirs and ``find_files`` are known
  from discoursegraphs import corpora
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  # Author: Arne Neumann <discoursegraphs.programming@arne.cl>
  
  __author__ = 'Arne Neumann'
  __email__ = 'discoursegraphs.programming@arne.cl'
  __version__ = '0.3.1'
  
  # flake8: noqa
  
  import os
  from networkx import write_gpickle
  
  from discoursegraphs.discoursegraph import (
      DiscourseDocumentGraph, EdgeTypes, create_token_mapping,
      get_annotation_layers, get_span, get_span_offsets,
      get_text, is_continuous, istoken, layer2namespace,
      select_neighbors_by_edge_attribute,
      select_neighbors_by_layer, select_nodes_by_attribute,
      select_nodes_by_layer, select_edges_by_attribute,
      select_edges_by, tokens2text,
      get_pointing_chains, get_top_level_layers)
  from discoursegraphs.readwrite import (
      read_anaphoricity, write_brackets, write_brat, read_conano, read_conll, write_conll,
      read_decour, write_dot, read_exb, read_exmaralda, write_exmaralda, write_exb,
      read_exportxml, write_freqt, write_graphml, write_gexf, read_mmax2,
      write_neo4j, write_geoff, write_paula,
      read_ptb, read_mrg,
      read_rst, read_rs3, read_dis, read_tiger)
  from discoursegraphs.readwrite.dot import print_dot
  from discoursegraphs.statistics import info
  from discoursegraphs.util import xmlprint, make_labels_explicit, find_files
  
  
  SRC_ROOT_DIR = os.path.abspath(os.path.dirname(__file__))
  
  
  def get_package_root_dir(src_root_dir=SRC_ROOT_DIR):
      """return the path to the root directory of this package.
  
      This clumsy function allows me to distribute a data directory with my
      package (specified via the ``data_files`` parameter of
      ``setuptools.setup``), no matter if it is installed via setup.py or
      a ``requirements.txt`` file.
      """
      parentdir_path = os.path.abspath(os.path.join(src_root_dir, os.pardir))
      dirname = os.path.basename(parentdir_path)
      if dirname.startswith('discoursegraphs') and dirname.endswith('.egg'):
          # package was installed via setup.py
          return parentdir_path
      else:  # software was installed via requirements.txt
          grandparentdir_path = os.path.abspath(
              os.path.join(src_root_dir, os.pardir, os.pardir))
          return grandparentdir_path
  
  
  PACKAGE_ROOT_DIR = get_package_root_dir(SRC_ROOT_DIR)
  DATA_ROOT_DIR = os.path.join(PACKAGE_ROOT_DIR, 'data')
  
  # corpora can't be imported before root dirs and ``find_files`` are known
  from discoursegraphs import corpora
  
subject: Revert __init__.py logic to pre issue-142 status