diff --git a/PIL/SgiImagePlugin.py b/PIL/SgiImagePlugin.py
index b60df473c..bf3c18a43 100644
--- a/PIL/SgiImagePlugin.py
+++ b/PIL/SgiImagePlugin.py
@@ -31,6 +31,7 @@ i32 = _binary.i32be
 def _accept(prefix):
     return i16(prefix) == 474
 
+
 ##
 # Image plugin for SGI images.
 
@@ -65,17 +66,18 @@ class SgiImageFile(ImageFile.ImageFile):
         # size
         self.size = i16(s[6:]), i16(s[8:])
 
-
         # decoder info
         if compression == 0:
             offset = 512
             pagesize = self.size[0]*self.size[1]*layout[0]
             self.tile = []
             for layer in self.mode:
-                self.tile.append(("raw", (0,0)+self.size, offset, (layer,0,-1)))
+                self.tile.append(
+                    ("raw", (0, 0)+self.size, offset, (layer, 0, -1)))
                 offset = offset + pagesize
         elif compression == 1:
-            self.tile = [("sgi_rle", (0,0)+self.size, 512, (self.mode, 0, -1))]
+            self.tile = [
+                ("sgi_rle", (0, 0)+self.size, 512, (self.mode, 0, -1))]
 
 #
 # registry
@@ -86,4 +88,4 @@ Image.register_extension("SGI", ".bw")
 Image.register_extension("SGI", ".rgb")
 Image.register_extension("SGI", ".rgba")
 
-Image.register_extension("SGI", ".sgi") # really?
+Image.register_extension("SGI", ".sgi")