old_contents: #!/usr/bin/env python
  # pylint: disable=W0212
  
  from agate import utils
  
  
  def rename(self, column_names=None, row_names=None, slug_columns=False, slug_rows=False, **kwargs):
      """
      Create a copy of this table with different column names or row names.
  
      By enabling :code:`slug_columns` or :code:`slug_rows` and not specifying
      new names you may slugify the table's existing names.
  
      :code:`kwargs` will be passed through to
      `awesome-slugify's <https://github.com/dimka665/awesome-slugify>`_
      :code:`UniqueSlugify` class.
  
      :param column_names:
          New column names for the renamed table. May be either an array or
          a dictionary mapping existing column names to new names. If not
          specified, will use this table's existing column names.
      :param row_names:
          New row names for the renamed table. May be either an array or
          a dictionary mapping existing row names to new names. If not
          specified, will use this table's existing row names.
      :param slug_columns:
          If True, column names will be converted to slugs and duplicate names
          will have unique identifiers appended.
      :param slug_rows:
          If True, row names will be converted to slugs and dupicate names will
          have unique identifiers appended.
      """
      from agate.table import Table
  
      if isinstance(column_names, dict):
          column_names = [column_names[name] if name in column_names else name for name in self._column_names]
  
      if isinstance(row_names, dict):
          row_names = [row_names[name] if name in row_names else name for name in self._row_names]
  
      if slug_columns:
          column_names = column_names or self._column_names
  
          if column_names is not None:
              if column_names == self._column_names:
                  column_names = utils.slugify(column_names, ensure_unique=False, **kwargs)
              else:
                  column_names = utils.slugify(column_names, ensure_unique=True, **kwargs)
  
      if slug_rows:
          row_names = row_names or self.row_names
  
          if row_names is not None:
              row_names = utils.slugify(row_names, ensure_unique=True, **kwargs)
  
      if column_names is not None and column_names != self._column_names:
          if row_names is None:
              row_names = self._row_names
  
          return Table(self._rows, column_names, self._column_types, row_names=row_names, _is_fork=False)
      else:
          return self._fork(self._rows, column_names, self._column_types, row_names=row_names)
  
new_contents: #!/usr/bin/env python
  # pylint: disable=W0212
  
  from agate import utils
  
  
  def rename(self, column_names=None, row_names=None, slug_columns=False, slug_rows=False, **kwargs):
      """
      Create a copy of this table with different column names or row names.
  
      By enabling :code:`slug_columns` or :code:`slug_rows` and not specifying
      new names you may slugify the table's existing names.
  
      :code:`kwargs` will be passed to the slugify method in python-slugify. See:
      https://github.com/un33k/python-slugify
  
      :param column_names:
          New column names for the renamed table. May be either an array or
          a dictionary mapping existing column names to new names. If not
          specified, will use this table's existing column names.
      :param row_names:
          New row names for the renamed table. May be either an array or
          a dictionary mapping existing row names to new names. If not
          specified, will use this table's existing row names.
      :param slug_columns:
          If True, column names will be converted to slugs and duplicate names
          will have unique identifiers appended.
      :param slug_rows:
          If True, row names will be converted to slugs and dupicate names will
          have unique identifiers appended.
      """
      from agate.table import Table
  
      if isinstance(column_names, dict):
          column_names = [column_names[name] if name in column_names else name for name in self._column_names]
  
      if isinstance(row_names, dict):
          row_names = [row_names[name] if name in row_names else name for name in self._row_names]
  
      if slug_columns:
          column_names = column_names or self._column_names
  
          if column_names is not None:
              if column_names == self._column_names:
                  column_names = utils.slugify(column_names, ensure_unique=False, **kwargs)
              else:
                  column_names = utils.slugify(column_names, ensure_unique=True, **kwargs)
  
      if slug_rows:
          row_names = row_names or self.row_names
  
          if row_names is not None:
              row_names = utils.slugify(row_names, ensure_unique=True, **kwargs)
  
      if column_names is not None and column_names != self._column_names:
          if row_names is None:
              row_names = self._row_names
  
          return Table(self._rows, column_names, self._column_types, row_names=row_names, _is_fork=False)
      else:
          return self._fork(self._rows, column_names, self._column_types, row_names=row_names)
  
subject: Fix docs