Whitespace normalization.
diff --git a/Lib/imaplib.py b/Lib/imaplib.py
index 813b67c..cbcf107 100644
--- a/Lib/imaplib.py
+++ b/Lib/imaplib.py
@@ -226,7 +226,7 @@
         while bytes > 0:
             sent = self.sock.send(data)
             if sent == bytes:
-                break	# avoid copy
+                break   # avoid copy
             data = data[sent:]
             bytes = bytes - sent