Merge branch 'fast_mpo_open' of github.com:Glandos/Pillow into fast_mpo_open

src/PIL/MpoImagePlugin.py

@@ -100,16 +100,16 @@ class MpoImageFile(JpegImagePlugin.JpegImageFile):
 
     @staticmethod
     def adopt(jpeg_instance, mpheader=None):
-        '''
+        """
         Transform the instance of JpegImageFile into
-        instance of MpoImageFile.
+        an instance of MpoImageFile.
         After the call, the JpegImageFile is extended
         to be an MpoImageFile.
 
         This is essentially useful when opening a JPEG
         file that reveals itself as an MPO, to avoid
         double call to _open.
-        '''
+        """
         jpeg_instance.__class__ = MpoImageFile
         jpeg_instance._after_jpeg_open(mpheader)
         return jpeg_instance