Whitespace normalization
diff --git a/Lib/subprocess.py b/Lib/subprocess.py
index ee9b4a2..1e3d84b 100644
--- a/Lib/subprocess.py
+++ b/Lib/subprocess.py
@@ -596,7 +596,7 @@
         # either have to redirect all three or none. If the subprocess
         # user has only redirected one or two handles, we are
         # automatically creating PIPEs for the rest. We should close
-        # these after the process is started. See bug #1124861. 
+        # these after the process is started. See bug #1124861.
         if mswindows:
             if stdin is None and p2cwrite is not None:
                 os.close(p2cwrite)
@@ -1142,7 +1142,7 @@
                     # we can write up to PIPE_BUF bytes without risk
                     # blocking.  POSIX defines PIPE_BUF >= 512
                     bytes_written = os.write(self.stdin.fileno(), buffer(input, input_offset, 512))
-                    input_offset += bytes_written 
+                    input_offset += bytes_written
                     if input_offset >= len(input):
                         self.stdin.close()
                         write_set.remove(self.stdin)