Use explicit positional string formatting for Python 2.6

1 files changed, 2 insertions, 2 deletions

diff --git a/pexpect/replwrap.py b/pexpect/replwrap.py
index 701860b..5d74a77 100644
--- a/pexpect/replwrap.py
+++ b/pexpect/replwrap.py
@@ -91,8 +91,8 @@ class REPLWrapper(object):
 
 def python(command="python"):
     """Start a Python shell and return a :class:`REPLWrapper` object."""
-    return REPLWrapper(command, u(">>> "), u("import sys; sys.ps1={!r}; sys.ps2={!r}"))
+    return REPLWrapper(command, u(">>> "), u("import sys; sys.ps1={0!r}; sys.ps2={1!r}"))
 
 def bash(command="bash", orig_prompt=u("$")):
     """Start a bash shell and return a :class:`REPLWrapper` object."""
-    return REPLWrapper(command, orig_prompt, u("PS1={!r}; PS2={!r}"))
+    return REPLWrapper(command, orig_prompt, u("PS1={0!r}; PS2={1!r}"))