diff --git a/PIL/ContainerIO.py b/PIL/ContainerIO.py
index dcedcd6dd9f..262f2afb942 100644
--- a/PIL/ContainerIO.py
+++ b/PIL/ContainerIO.py
@@ -19,7 +19,7 @@
 # file (for example a TAR file).
 
 
-class ContainerIO:
+class ContainerIO(object):
 
     ##
     # Create file object.
diff --git a/PIL/EpsImagePlugin.py b/PIL/EpsImagePlugin.py
index e2e7fa5e999..7b1f4c1ca94 100644
--- a/PIL/EpsImagePlugin.py
+++ b/PIL/EpsImagePlugin.py
@@ -157,7 +157,7 @@ def Ghostscript(tile, size, fp, scale=1):
     return im
 
 
-class PSFile:
+class PSFile(object):
     """
     Wrapper for bytesio object that treats either CR or LF as end of line.
     """
@@ -365,7 +365,7 @@ def _save(im, fp, filename, eps=1):
     else:
         raise ValueError("image mode is not supported")
 
-    class NoCloseStream:
+    class NoCloseStream(object):
         def __init__(self, fp):
             self.fp = fp
 
diff --git a/PIL/FontFile.py b/PIL/FontFile.py
index 5cf68825656..db8e6bec150 100644
--- a/PIL/FontFile.py
+++ b/PIL/FontFile.py
@@ -31,7 +31,7 @@ def puti16(fp, values):
 ##
 # Base class for raster font file handlers.
 
-class FontFile:
+class FontFile(object):
 
     bitmap = None
 
diff --git a/PIL/GifImagePlugin.py b/PIL/GifImagePlugin.py
index 8db42e8e8cf..d2b2f7feebc 100644
--- a/PIL/GifImagePlugin.py
+++ b/PIL/GifImagePlugin.py
@@ -496,7 +496,7 @@ def getdata(im, offset=(0, 0), **params):
        The first string is a local image header, the rest contains
        encoded image data."""
 
-    class Collector:
+    class Collector(object):
         data = []
 
         def write(self, data):
diff --git a/PIL/GimpGradientFile.py b/PIL/GimpGradientFile.py
index 696f425f197..45af573bb22 100644
--- a/PIL/GimpGradientFile.py
+++ b/PIL/GimpGradientFile.py
@@ -58,7 +58,7 @@ def sphere_decreasing(middle, pos):
 SEGMENTS = [linear, curved, sine, sphere_increasing, sphere_decreasing]
 
 
-class GradientFile:
+class GradientFile(object):
 
     gradient = None
 
diff --git a/PIL/GimpPaletteFile.py b/PIL/GimpPaletteFile.py
index a066c80ccbd..4bf3ca36ab5 100644
--- a/PIL/GimpPaletteFile.py
+++ b/PIL/GimpPaletteFile.py
@@ -21,7 +21,7 @@
 ##
 # File handler for GIMP's palette format.
 
-class GimpPaletteFile:
+class GimpPaletteFile(object):
 
     rawmode = "RGB"
 
diff --git a/PIL/IcnsImagePlugin.py b/PIL/IcnsImagePlugin.py
index 1bb1066d8d5..e0b130e819b 100644
--- a/PIL/IcnsImagePlugin.py
+++ b/PIL/IcnsImagePlugin.py
@@ -130,7 +130,7 @@ def read_png_or_jpeg2000(fobj, start_length, size):
         raise ValueError('Unsupported icon subimage format')
 
 
-class IcnsFile:
+class IcnsFile(object):
 
     SIZES = {
         (512, 512, 2): [
diff --git a/PIL/IcoImagePlugin.py b/PIL/IcoImagePlugin.py
index c4e24d99c21..8a21444637f 100644
--- a/PIL/IcoImagePlugin.py
+++ b/PIL/IcoImagePlugin.py
@@ -79,7 +79,7 @@ def _accept(prefix):
     return prefix[:4] == _MAGIC
 
 
-class IcoFile:
+class IcoFile(object):
     def __init__(self, buf):
         """
         Parse image from file-like object containing ico file data
diff --git a/PIL/Image.py b/PIL/Image.py
index 37428ec305a..274e7ee0e8c 100644
--- a/PIL/Image.py
+++ b/PIL/Image.py
@@ -35,7 +35,7 @@ class DecompressionBombWarning(RuntimeWarning):
     pass
 
 
-class _imaging_not_installed:
+class _imaging_not_installed(object):
     # module placeholder
     def __getattr__(self, id):
         raise ImportError("The _imaging C module is not installed")
@@ -443,7 +443,7 @@ def coerce_e(value):
     return value if isinstance(value, _E) else _E(value)
 
 
-class _E:
+class _E(object):
     def __init__(self, data):
         self.data = data
 
@@ -478,7 +478,7 @@ def _getscaleoffset(expr):
 # --------------------------------------------------------------------
 # Implementation wrapper
 
-class Image:
+class Image(object):
     """
     This class represents an image object.  To create
     :py:class:`~PIL.Image.Image` objects, use the appropriate factory
@@ -1975,12 +1975,12 @@ def load(self):
 # --------------------------------------------------------------------
 # Abstract handlers.
 
-class ImagePointHandler:
+class ImagePointHandler(object):
     # used as a mixin by point transforms (for use with im.point)
     pass
 
 
-class ImageTransformHandler:
+class ImageTransformHandler(object):
     # used as a mixin by geometry transforms (for use with im.transform)
     pass
 
diff --git a/PIL/ImageCms.py b/PIL/ImageCms.py
index ed219f7ba00..6cd2f5d2d37 100644
--- a/PIL/ImageCms.py
+++ b/PIL/ImageCms.py
@@ -147,7 +147,7 @@
 ##
 # Profile.
 
-class ImageCmsProfile:
+class ImageCmsProfile(object):
 
     def __init__(self, profile):
         """
diff --git a/PIL/ImageDraw.py b/PIL/ImageDraw.py
index a2a75d1c6de..1fc5b4d610f 100644
--- a/PIL/ImageDraw.py
+++ b/PIL/ImageDraw.py
@@ -47,7 +47,7 @@
 # Application code should use the <b>Draw</b> factory, instead of
 # directly.
 
-class ImageDraw:
+class ImageDraw(object):
 
     ##
     # Create a drawing instance.
diff --git a/PIL/ImageDraw2.py b/PIL/ImageDraw2.py
index c967a200f4b..62ee1163079 100644
--- a/PIL/ImageDraw2.py
+++ b/PIL/ImageDraw2.py
@@ -19,25 +19,25 @@
 from PIL import Image, ImageColor, ImageDraw, ImageFont, ImagePath
 
 
-class Pen:
+class Pen(object):
     def __init__(self, color, width=1, opacity=255):
         self.color = ImageColor.getrgb(color)
         self.width = width
 
 
-class Brush:
+class Brush(object):
     def __init__(self, color, opacity=255):
         self.color = ImageColor.getrgb(color)
 
 
-class Font:
+class Font(object):
     def __init__(self, color, file, size=12):
         # FIXME: add support for bitmap fonts
         self.color = ImageColor.getrgb(color)
         self.font = ImageFont.truetype(file, size)
 
 
-class Draw:
+class Draw(object):
 
     def __init__(self, image, size=None, color=None):
         if not hasattr(image, "im"):
diff --git a/PIL/ImageEnhance.py b/PIL/ImageEnhance.py
index 8c0f166f3e1..fbacbee8f04 100644
--- a/PIL/ImageEnhance.py
+++ b/PIL/ImageEnhance.py
@@ -21,7 +21,7 @@
 from PIL import Image, ImageFilter, ImageStat
 
 
-class _Enhance:
+class _Enhance(object):
 
     def enhance(self, factor):
         """
diff --git a/PIL/ImageFile.py b/PIL/ImageFile.py
index 01c3e0303b9..b1d261166c8 100644
--- a/PIL/ImageFile.py
+++ b/PIL/ImageFile.py
@@ -311,7 +311,7 @@ def _load(self):
             )
 
 
-class Parser:
+class Parser(object):
     """
     Incremental image parser.  This class implements the standard
     feed/close consumer interface.
diff --git a/PIL/ImageFont.py b/PIL/ImageFont.py
index 1e5a27f7b25..58889b6e553 100644
--- a/PIL/ImageFont.py
+++ b/PIL/ImageFont.py
@@ -38,7 +38,7 @@
     warnings = None
 
 
-class _imagingft_not_installed:
+class _imagingft_not_installed(object):
     # module placeholder
     def __getattr__(self, id):
         raise ImportError("The _imagingft C module is not installed")
@@ -64,7 +64,7 @@ def __getattr__(self, id):
 # --------------------------------------------------------------------
 
 
-class ImageFont:
+class ImageFont(object):
     "PIL font wrapper"
 
     def _load_pilfont(self, filename):
@@ -120,7 +120,7 @@ def _load_pilfont_data(self, file, image):
 # Wrapper for FreeType fonts.  Application code should use the
 # <b>truetype</b> factory function to create font objects.
 
-class FreeTypeFont:
+class FreeTypeFont(object):
     "FreeType font wrapper (requires _imagingft service)"
 
     def __init__(self, font=None, size=10, index=0, encoding="", file=None):
@@ -193,7 +193,7 @@ def font_variant(self, font=None, size=None, index=None, encoding=None):
 #     Image.ROTATE_90, Image.ROTATE_180, or Image.ROTATE_270.
 
 
-class TransposedFont:
+class TransposedFont(object):
     "Wrapper for writing rotated or mirrored text"
 
     def __init__(self, font, orientation=None):
diff --git a/PIL/ImageMath.py b/PIL/ImageMath.py
index 4dcc5125cf1..f92d5001f9f 100644
--- a/PIL/ImageMath.py
+++ b/PIL/ImageMath.py
@@ -31,7 +31,7 @@ def _isconstant(v):
     return isinstance(v, int) or isinstance(v, float)
 
 
-class _Operand:
+class _Operand(object):
     # wraps an image operand, providing standard operators
 
     def __init__(self, im):
diff --git a/PIL/ImageMode.py b/PIL/ImageMode.py
index 29506910898..d8960017b59 100644
--- a/PIL/ImageMode.py
+++ b/PIL/ImageMode.py
@@ -20,7 +20,7 @@
 ##
 # Wrapper for mode strings.
 
-class ModeDescriptor:
+class ModeDescriptor(object):
 
     def __init__(self, mode, bands, basemode, basetype):
         self.mode = mode
diff --git a/PIL/ImageMorph.py b/PIL/ImageMorph.py
index 996eacb7d69..6f92e9e672b 100644
--- a/PIL/ImageMorph.py
+++ b/PIL/ImageMorph.py
@@ -12,7 +12,7 @@
 LUT_SIZE = 1 << 9
 
 
-class LutBuilder:
+class LutBuilder(object):
     """A class for building a MorphLut from a descriptive language
 
       The input patterns is a list of a strings sequences like these::
@@ -176,7 +176,7 @@ def build_lut(self):
         return self.lut
 
 
-class MorphOp:
+class MorphOp(object):
     """A class for binary morphological operators"""
 
     def __init__(self,
diff --git a/PIL/ImagePalette.py b/PIL/ImagePalette.py
index c6c05d16260..b2f51dd069e 100644
--- a/PIL/ImagePalette.py
+++ b/PIL/ImagePalette.py
@@ -21,7 +21,7 @@
 from PIL import ImageColor
 
 
-class ImagePalette:
+class ImagePalette(object):
     "Color palette for palette mapped images"
 
     def __init__(self, mode="RGB", palette=None, size=0):
diff --git a/PIL/ImagePath.py b/PIL/ImagePath.py
index 656d5ce617b..f23d01430ca 100644
--- a/PIL/ImagePath.py
+++ b/PIL/ImagePath.py
@@ -20,7 +20,7 @@
 # the Python class below is overridden by the C implementation.
 
 
-class Path:
+class Path(object):
 
     def __init__(self, xy):
         pass
diff --git a/PIL/ImageSequence.py b/PIL/ImageSequence.py
index dd01e2902f0..256bcbedb35 100644
--- a/PIL/ImageSequence.py
+++ b/PIL/ImageSequence.py
@@ -16,7 +16,7 @@
 ##
 
 
-class Iterator:
+class Iterator(object):
     """
     This class implements an iterator object that can be used to loop
     over an image sequence.
diff --git a/PIL/ImageShow.py b/PIL/ImageShow.py
index 9527dbf971b..51417c30bd7 100644
--- a/PIL/ImageShow.py
+++ b/PIL/ImageShow.py
@@ -56,7 +56,7 @@ def show(image, title=None, **options):
 ##
 # Base class for viewers.
 
-class Viewer:
+class Viewer(object):
 
     # main api
 
diff --git a/PIL/ImageStat.py b/PIL/ImageStat.py
index 37e7515d465..f3c138b3aa8 100644
--- a/PIL/ImageStat.py
+++ b/PIL/ImageStat.py
@@ -26,7 +26,7 @@
 import functools
 
 
-class Stat:
+class Stat(object):
 
     def __init__(self, image_or_list, mask=None):
         try:
diff --git a/PIL/ImageTk.py b/PIL/ImageTk.py
index 5fb5ecff392..68d388e7411 100644
--- a/PIL/ImageTk.py
+++ b/PIL/ImageTk.py
@@ -56,7 +56,7 @@ def _pilbitmap_check():
 # --------------------------------------------------------------------
 # PhotoImage
 
-class PhotoImage:
+class PhotoImage(object):
     """
     A Tkinter-compatible photo image.  This can be used
     everywhere Tkinter expects an image object.  If the image is an RGBA
@@ -190,7 +190,7 @@ def paste(self, im, box=None):
 # BitmapImage
 
 
-class BitmapImage:
+class BitmapImage(object):
     """
 
     A Tkinter-compatible bitmap image.  This can be used everywhere Tkinter
diff --git a/PIL/ImageWin.py b/PIL/ImageWin.py
index 300d118c932..bcb54bc3eaa 100644
--- a/PIL/ImageWin.py
+++ b/PIL/ImageWin.py
@@ -21,7 +21,7 @@
 from PIL import Image
 
 
-class HDC:
+class HDC(object):
     """
     Wraps an HDC integer. The resulting object can be passed to the
     :py:meth:`~PIL.ImageWin.Dib.draw` and :py:meth:`~PIL.ImageWin.Dib.expose`
@@ -34,7 +34,7 @@ def __int__(self):
         return self.dc
 
 
-class HWND:
+class HWND(object):
     """
     Wraps an HWND integer. The resulting object can be passed to the
     :py:meth:`~PIL.ImageWin.Dib.draw` and :py:meth:`~PIL.ImageWin.Dib.expose`
@@ -47,7 +47,7 @@ def __int__(self):
         return self.wnd
 
 
-class Dib:
+class Dib(object):
     """
     A Windows bitmap with the given mode and size.  The mode can be one of "1",
     "L", "P", or "RGB".
@@ -206,7 +206,7 @@ def tostring(self):
 ##
 # Create a Window with the given title size.
 
-class Window:
+class Window(object):
 
     def __init__(self, title="PIL", width=None, height=None):
         self.hwnd = Image.core.createwindow(
diff --git a/PIL/IptcImagePlugin.py b/PIL/IptcImagePlugin.py
index aa019389480..47c7e1936a2 100644
--- a/PIL/IptcImagePlugin.py
+++ b/PIL/IptcImagePlugin.py
@@ -251,7 +251,7 @@ def getiptcinfo(im):
         return None  # no properties
 
     # create an IptcImagePlugin object without initializing it
-    class FakeImage:
+    class FakeImage(object):
         pass
     im = FakeImage()
     im.__class__ = IptcImageFile
diff --git a/PIL/MpegImagePlugin.py b/PIL/MpegImagePlugin.py
index 9aca58f16fb..ff7c0dce4c8 100644
--- a/PIL/MpegImagePlugin.py
+++ b/PIL/MpegImagePlugin.py
@@ -22,7 +22,7 @@
 #
 # Bitstream parser
 
-class BitStream:
+class BitStream(object):
 
     def __init__(self, fp):
         self.fp = fp
diff --git a/PIL/OleFileIO.py b/PIL/OleFileIO.py
index c804dd454a9..d3c1cd9a090 100755
--- a/PIL/OleFileIO.py
+++ b/PIL/OleFileIO.py
@@ -473,7 +473,7 @@ def filetime2datetime(filetime):
 
 #=== CLASSES ==================================================================
 
-class OleMetadata:
+class OleMetadata(object):
     """
     class to parse and store metadata from standard properties of OLE files.
 
@@ -757,7 +757,7 @@ def __init__(self, fp, sect, size, offset, sectorsize, fat, filesize):
 
 #--- _OleDirectoryEntry -------------------------------------------------------
 
-class _OleDirectoryEntry:
+class _OleDirectoryEntry(object):
 
     """
     OLE2 Directory Entry
@@ -1007,7 +1007,7 @@ def getctime(self):
 
 #--- OleFileIO ----------------------------------------------------------------
 
-class OleFileIO:
+class OleFileIO(object):
     """
     OLE container object
 
diff --git a/PIL/PSDraw.py b/PIL/PSDraw.py
index 6187e40adb6..66e3d79821b 100644
--- a/PIL/PSDraw.py
+++ b/PIL/PSDraw.py
@@ -23,7 +23,7 @@
 ##
 # Simple Postscript graphics interface.
 
-class PSDraw:
+class PSDraw(object):
     """
     Sets up printing to the given file. If **file** is omitted,
     :py:attr:`sys.stdout` is assumed.
diff --git a/PIL/PaletteFile.py b/PIL/PaletteFile.py
index 37ba4cbff89..ef50feefd2f 100644
--- a/PIL/PaletteFile.py
+++ b/PIL/PaletteFile.py
@@ -19,7 +19,7 @@
 ##
 # File handler for Teragon-style palette files.
 
-class PaletteFile:
+class PaletteFile(object):
 
     rawmode = "RGB"
 
diff --git a/PIL/PdfImagePlugin.py b/PIL/PdfImagePlugin.py
index 5113f099e58..1d8c2ff9345 100644
--- a/PIL/PdfImagePlugin.py
+++ b/PIL/PdfImagePlugin.py
@@ -63,7 +63,7 @@ def _save(im, fp, filename):
 
     xref = [0]*(5+1)  # placeholders
 
-    class TextWriter:
+    class TextWriter(object):
         def __init__(self, fp):
             self.fp = fp
 
diff --git a/PIL/PngImagePlugin.py b/PIL/PngImagePlugin.py
index 398a01f3322..53d38eecda0 100644
--- a/PIL/PngImagePlugin.py
+++ b/PIL/PngImagePlugin.py
@@ -90,7 +90,7 @@ def _safe_zlib_decompress(s):
 # --------------------------------------------------------------------
 # Support classes.  Suitable for PNG and related formats like MNG etc.
 
-class ChunkStream:
+class ChunkStream(object):
 
     def __init__(self, fp):
 
@@ -183,7 +183,7 @@ def __new__(cls, text, lang, tkey):
         return self
 
 
-class PngInfo:
+class PngInfo(object):
     """
     PNG chunk container (for use with save(pnginfo=))
 
@@ -620,7 +620,7 @@ def putchunk(fp, cid, *data):
     fp.write(o16(hi) + o16(lo))
 
 
-class _idat:
+class _idat(object):
     # wrap output from the encoder in IDAT chunks
 
     def __init__(self, fp, chunk):
@@ -771,7 +771,7 @@ def _save(im, fp, filename, chunk=putchunk, check=0):
 def getchunks(im, **params):
     """Return a list of PNG chunks representing this image."""
 
-    class collector:
+    class collector(object):
         data = []
 
         def write(self, data):
diff --git a/PIL/WmfImagePlugin.py b/PIL/WmfImagePlugin.py
index 6146c15604e..bdbbc72f03c 100644
--- a/PIL/WmfImagePlugin.py
+++ b/PIL/WmfImagePlugin.py
@@ -37,7 +37,7 @@ def register_handler(handler):
 if hasattr(Image.core, "drawwmf"):
     # install default handler (windows only)
 
-    class WmfHandler:
+    class WmfHandler(object):
 
         def open(self, im):
             im.mode = "RGB"
diff --git a/Scripts/explode.py b/Scripts/explode.py
index 0460fa02083..53436100bc5 100644
--- a/Scripts/explode.py
+++ b/Scripts/explode.py
@@ -13,7 +13,7 @@
 import sys
 
 
-class Interval:
+class Interval(object):
 
     def __init__(self, interval="0"):
 
diff --git a/Scripts/gifmaker.py b/Scripts/gifmaker.py
index 8777f74f656..5d1781499d7 100644
--- a/Scripts/gifmaker.py
+++ b/Scripts/gifmaker.py
@@ -50,7 +50,7 @@
 # sequence iterator
 
 
-class image_sequence:
+class image_sequence(object):
     def __init__(self, im):
         self.im = im
 
diff --git a/Scripts/pildriver.py b/Scripts/pildriver.py
index bb01004f5a7..32989ccdf38 100644
--- a/Scripts/pildriver.py
+++ b/Scripts/pildriver.py
@@ -53,7 +53,7 @@
 from PIL import Image
 
 
-class PILDriver:
+class PILDriver(object):
 
     verbose = 0
 
diff --git a/Tests/test_file_iptc.py b/Tests/test_file_iptc.py
index 14eb135aabe..84fa873be81 100644
--- a/Tests/test_file_iptc.py
+++ b/Tests/test_file_iptc.py
@@ -11,7 +11,7 @@ class TestFileIptc(PillowTestCase):
 
     def dummy_IptcImagePlugin(self):
         # Create an IptcImagePlugin object without initializing it
-        class FakeImage:
+        class FakeImage(object):
             pass
         im = FakeImage()
         im.__class__ = IptcImagePlugin.IptcImageFile
diff --git a/Tests/test_imagefileio.py b/Tests/test_imagefileio.py
index f1847440331..b0617843708 100644
--- a/Tests/test_imagefileio.py
+++ b/Tests/test_imagefileio.py
@@ -8,7 +8,7 @@ class TestImageFileIo(PillowTestCase):
 
     def test_fileio(self):
 
-        class DumbFile:
+        class DumbFile(object):
             def __init__(self, data):
                 self.data = data
 
diff --git a/Tests/test_imagefont.py b/Tests/test_imagefont.py
index 49aa9c8b26d..88858c71720 100644
--- a/Tests/test_imagefont.py
+++ b/Tests/test_imagefont.py
@@ -15,7 +15,7 @@
     from PIL import ImageFont
     ImageFont.core.getfont  # check if freetype is available
 
-    class SimplePatcher():
+    class SimplePatcher(object):
         def __init__(self, parent_obj, attr_name, value):
             self._parent_obj = parent_obj
             self._attr_name = attr_name
diff --git a/Tests/test_imageops.py b/Tests/test_imageops.py
index 0ffb14bfebc..396f0da6cbd 100644
--- a/Tests/test_imageops.py
+++ b/Tests/test_imageops.py
@@ -5,7 +5,7 @@
 
 class TestImageOps(PillowTestCase):
 
-    class Deformer:
+    class Deformer(object):
         def getmesh(self, im):
             x, y = im.size
             return [((0, 0, x, y), (0, 0, x, 0, x, y, y, 0))]