Since we recommend one module per import line, reflect this also in the
documentation.
diff --git a/Doc/library/difflib.rst b/Doc/library/difflib.rst
index addd813..701c5d5 100644
--- a/Doc/library/difflib.rst
+++ b/Doc/library/difflib.rst
@@ -708,7 +708,11 @@
 
    """
 
-   import sys, os, time, difflib, optparse
+   import difflib
+   import os
+   import optparse
+   import sys
+   import time
 
    def main():
         # Configure the option parser