Prevent resizing the echo area when iPython is enabled

Fixes: debbugs:18794

* lisp/progmodes/python.el (python-eldoc--get-doc-at-point): Strip
shell output before returning.

lisp/ChangeLog

+2014-11-16  Fabián Ezequiel Gallina  <fgallina@gnu.org>
+
+	* progmodes/python.el (python-eldoc--get-doc-at-point): Strip
+	shell output before returning.  (bug#18794)
+
 2014-11-16  Dmitry Gutov  <dgutov@yandex.ru>
 
 	Fix indentation before `!=' and after `+='.  Originally reported

lisp/progmodes/python.el

@@ -3408,9 +3408,12 @@ returns will be used.  If not FORCE-PROCESS is passed what
       (let ((input (or force-input
                        (python-info-current-symbol t))))
         (and input
-             (python-shell-send-string-no-output
-              (format python-eldoc-string-code input)
-              process))))))
+             ;; Prevent resizing the echo area when iPython is
+             ;; enabled.  Bug#18794.
+             (python-util-strip-string
+              (python-shell-send-string-no-output
+               (format python-eldoc-string-code input)
+               process)))))))
 
 (defun python-eldoc-function ()
   "`eldoc-documentation-function' for Python.