add trailing comma

diff --git a/requests/utils.py b/requests/utils.py
index 2c6bb0905521f2b63fd68795a145852ab553b7c4..539a68a0b3b34374fe4298f5e27974dd623cbe84 100644 (file)
--- a/requests/utils.py
+++ b/requests/utils.py
@@ -555,7 +555,7 @@ def default_headers():
         'User-Agent': default_user_agent(),
         'Accept-Encoding': ', '.join(('gzip', 'deflate')),
         'Accept': '*/*',
-        'Connection': 'keep-alive'
+        'Connection': 'keep-alive',
     })