[pypy-svn] r79285 - pypy/branch/fast-forward/pypy/module/_io

[afa at codespeak.net]

Author: afa
Date: Fri Nov 19 19:44:08 2010
New Revision: 79285

Modified:
   pypy/branch/fast-forward/pypy/module/_io/interp_textio.py
Log:
Translation fix


Modified: pypy/branch/fast-forward/pypy/module/_io/interp_textio.py
==============================================================================
--- pypy/branch/fast-forward/pypy/module/_io/interp_textio.py	(original)
+++ pypy/branch/fast-forward/pypy/module/_io/interp_textio.py	Fri Nov 19 19:44:08 2010
@@ -354,8 +354,11 @@
             size = available
 
         if self.decoded_chars_used > 0 or size < available:
-            chars = self.decoded_chars[self.decoded_chars_used:
-                                       self.decoded_chars_used + size]
+            start = self.decoded_chars_used
+            end = self.decoded_chars_used + size
+            assert start >= 0
+            assert end >= 0
+            chars = self.decoded_chars[start:end]
         else:
             chars = self.decoded_chars