old_contents: # Purpose: header variables factory
  # Created: 20.11.2010
  # Copyright (c) 2010-2018, Manfred Moitzi
  # License: MIT License
  from typing import Sequence, Union
  from .types import DXFVertex, DXFTag, cast_tag_value
  
  
  def SingleValue(value: Union[str, float], code: int = 1) -> DXFTag:
      return DXFTag(code, cast_tag_value(code, value))
  
  
  def Point2D(value: Sequence[float]) -> DXFVertex:
  
      return DXFVertex(10, (value[0], value[1]))
  
  
  def Point3D(value: Sequence[float]) -> DXFVertex:
      return DXFVertex(10, (value[0], value[1], value[2]))
  
  
  class HeaderVarDef:
      def __init__(self, name, code, factory, mindxf, maxdxf, priority, default=None):
          self.name = name
          self.code = code
          self.factory = factory
          self.mindxf = mindxf
          self.maxdxf = maxdxf
          self.priority = priority
          self.default = default
  
new_contents: # Purpose: header variables factory
  # Copyright (c) 2010-2021, Manfred Moitzi
  # License: MIT License
  from typing import Sequence, Union
  from .types import DXFVertex, DXFTag, cast_tag_value
  
  
  def SingleValue(value: Union[str, float], code: int = 1) -> DXFTag:
      return DXFTag(code, cast_tag_value(code, value))
  
  
  def Point2D(value: Sequence[float]) -> DXFVertex:
      return DXFVertex(10, (value[0], value[1]))
  
  
  def Point3D(value: Sequence[float]) -> DXFVertex:
      return DXFVertex(10, (value[0], value[1], value[2]))
  
  
  class HeaderVarDef:
      def __init__(self, name, code, factory, mindxf, maxdxf, priority,
                   default=None):
          self.name = name
          self.code = code
          self.factory = factory
          self.mindxf = mindxf
          self.maxdxf = maxdxf
          self.priority = priority
          self.default = default
  
subject: reformat code