Fix Python 2.5 compatibility issue.
diff --git a/libcloud/common/exceptions.py b/libcloud/common/exceptions.py
index 82fde36..5f9a949 100644
--- a/libcloud/common/exceptions.py
+++ b/libcloud/common/exceptions.py
@@ -44,7 +44,7 @@
HTTP 429 - Rate limit: you've sent too many requests for this time period.
"""
code = 429
- message = "{code} Rate limit exceeded".format(code=code)
+ message = '%s Rate limit exceeded' % (code)
def __init__(self, *args, **kwargs):
self.retry_after = int(kwargs.pop('retry_after', 0))
