Some Python 3 compatibility

sebastinas · sebastinas · commit 1da77943476c · 2015-02-04T18:06:11.000+01:00
Signed-off-by: Sebastian Ramacher &lt;sebastian+dev@ramacher.at&gt;
diff --git a/bpython/curtsiesfrontend/replpainter.py b/bpython/curtsiesfrontend/replpainter.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 
 import logging
+import itertools
 
 from curtsies import fsarray, fmtstr
 from curtsies.formatstring import linesplit
@@ -169,7 +170,8 @@ def add_border(line):
                                config.bottom_border * (width + 2) +
                                config.right_bottom_corner)
 
-    output_lines = [top_line] + map(add_border, lines) + [bottom_line]
+    output_lines = list(itertools.chain((top_line, ), map(add_border, lines),
+                                        (bottom_line, )))
     r = fsarray(output_lines[:min(rows-1, len(output_lines)-1)] + output_lines[-1:])
     return r
 
