Index: Doc/library/ftplib.rst
===================================================================
--- Doc/library/ftplib.rst	(révision 84329)
+++ Doc/library/ftplib.rst	(copie de travail)
@@ -260,7 +260,7 @@
 
    Store a file in ASCII transfer mode.  *cmd* should be an appropriate
    ``STOR`` command (see :meth:`storbinary`).  Lines are read until EOF from the
-   open file object *file* using its :meth:`readline` method to provide the data to
+   open binary file object *file* using its :meth:`readline` method to provide the data to
    be stored.  *callback* is an optional single parameter callable
    that is called on each line after it is sent.
 
Index: Lib/test/test_ftplib.py
===================================================================
--- Lib/test/test_ftplib.py	(révision 84329)
+++ Lib/test/test_ftplib.py	(copie de travail)
@@ -540,6 +540,10 @@
         self.client.storlines('stor foo', f, callback=lambda x: flag.append(None))
         self.assertTrue(flag)
 
+        f = io.StringIO(RETR_DATA.replace('\r\n', '\n'))
+        # storlines() expects a binary file, not a text file
+        self.assertRaises(TypeError, self.client.storlines, 'stor foo', f)
+
     def test_nlst(self):
         self.client.nlst()
         self.assertEqual(self.client.nlst(), NLST_DATA.split('\r\n')[:-1])