old_contents: 
  import sys
  
  from agg import *
  
  pix_format_string_map = {}
  pix_format_string_map["gray8"] = pix_format_gray8
  pix_format_string_map["rgb555"] = pix_format_rgb555
  pix_format_string_map["rgb565"] = pix_format_rgb565
  pix_format_string_map["rgb24"] = pix_format_rgb24
  pix_format_string_map["bgr24"] = pix_format_bgr24
  pix_format_string_map["rgba32"] = pix_format_rgba32
  pix_format_string_map["argb32"] = pix_format_argb32
  pix_format_string_map["abgr32"] = pix_format_abgr32
  pix_format_string_map["bgra32"] = pix_format_bgra32
  
  default_pix_format = "bgra32"
  
  try:
      # Define a system-dependent GraphicsContext if there is a PixelMap
      # class defined for the system (i.e. if plat_support was built)
      from plat_support import PixelMap
  
      class GraphicsContextSystem(GraphicsContextArray):
          def __init__(self,
                       size,
                       pix_format=default_pix_format,
                       interpolation="nearest",
                       bottom_up=1):
              assert type(size) is type(()),`size`
              width,height = size
              pixel_map = PixelMap(width,height,
                                   pix_format_string_map[pix_format],
                                   255,
                                   bottom_up).set_bmp_array()
              GraphicsContextArray.__init__(self,pixel_map.bmp_array,
                                            pix_format,interpolation,
                                            bottom_up)
              self.pixel_map = pixel_map
  
  except ImportError, ex:
      # warn to stderr containing the exception. The warning should
      # be an ImportWarning, but that is python 2.5+ specific
      import warnings
      warnings.warn("Error initializing Agg: %s" % ex, Warning, 2)
  
      GraphicsContextSystem = None
  
  # EOF
  
new_contents: from agg import *
  
  pix_format_string_map = {}
  pix_format_string_map["gray8"] = pix_format_gray8
  pix_format_string_map["rgb555"] = pix_format_rgb555
  pix_format_string_map["rgb565"] = pix_format_rgb565
  pix_format_string_map["rgb24"] = pix_format_rgb24
  pix_format_string_map["bgr24"] = pix_format_bgr24
  pix_format_string_map["rgba32"] = pix_format_rgba32
  pix_format_string_map["argb32"] = pix_format_argb32
  pix_format_string_map["abgr32"] = pix_format_abgr32
  pix_format_string_map["bgra32"] = pix_format_bgra32
  
  default_pix_format = "bgra32"
  
  try:
      # Define a system-dependent GraphicsContext if there is a PixelMap
      # class defined for the system (i.e. if plat_support was built)
      from plat_support import PixelMap
  
      class GraphicsContextSystem(GraphicsContextArray):
          def __init__(self,
                       size,
                       pix_format=default_pix_format,
                       interpolation="nearest",
                       bottom_up=1):
              assert type(size) is type(()),`size`
              width,height = size
              pixel_map = PixelMap(width,height,
                                   pix_format_string_map[pix_format],
                                   255,
                                   bottom_up).set_bmp_array()
              GraphicsContextArray.__init__(self, pixel_map.bmp_array,
                                            pix_format, interpolation,
                                            bottom_up)
              self.pixel_map = pixel_map
  
  except ImportError, ex:
      # warn to stderr containing the exception. The warning should
      # be an ImportWarning, but that is python 2.5+ specific
      import warnings
      warnings.warn("Error initializing Agg: %s" % ex, Warning, 2)
  
      GraphicsContextSystem = None
  
subject: remove unused import and cleanup