Remove trailing whitespace.

1 files changed, 3 insertions, 3 deletions

diff --git a/Doc/library/io.rst b/Doc/library/io.rst
index 14f7506..3b699cc 100644
--- a/Doc/library/io.rst
+++ b/Doc/library/io.rst
@@ -214,7 +214,7 @@ I/O Base Classes
    .. method:: close()
 
       Flush and close this stream. This method has no effect if the file is
-      already closed. Once the file is closed, any operation on the file 
+      already closed. Once the file is closed, any operation on the file
       (e.g. reading or writing) will raise an :exc:`IOError`. The internal
       file descriptor isn't closed if *closefd* was False.
 
@@ -628,7 +628,7 @@ Text I/O
    .. attribute:: line_buffering
 
       Whether line buffering is enabled.
-   
+
 
 .. class:: StringIO([initial_value[, encoding[, errors[, newline]]]])
 
@@ -659,7 +659,7 @@ Text I/O
       # 'First line.\nSecond line.\n'
       contents = output.getvalue()
 
-      # Close object and discard memory buffer -- 
+      # Close object and discard memory buffer --
       # .getvalue() will now raise an exception.
       output.close()