Fix for when there are multiple cc headers

An email should theoretically only have a single cc header, but
sometimes that's no the case.

Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/git-patchwork-bot.py b/git-patchwork-bot.py
index a68b22e..530c833 100755
--- a/git-patchwork-bot.py
+++ b/git-patchwork-bot.py
@@ -590,7 +590,10 @@ def notify_submitters(rm, serieslist, refname, config, revs, nomail):
             if not cchdr:
                 cchdr = headers.get('cc')
             if cchdr:
-                ccs = [chunk[1] for chunk in getaddresses([cchdr])]
+                # Sometimes there are multiple cc headers returned
+                if not isinstance(cchdr, list):
+                    cchdr = [cchdr]
+                ccs = [chunk[1] for chunk in getaddresses(cchdr)]
 
             if 'onlyifcc' in config:
                 match = None