diff options
Diffstat (limited to 'cloudinit/UserDataHandler.py')
| -rw-r--r-- | cloudinit/UserDataHandler.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/cloudinit/UserDataHandler.py b/cloudinit/UserDataHandler.py index 2d257d12..14aea58b 100644 --- a/cloudinit/UserDataHandler.py +++ b/cloudinit/UserDataHandler.py @@ -188,7 +188,9 @@ def process_includes(msg, appendmsg=None): _attach_part(appendmsg, part) -def message_from_string(data, headers={}): +def message_from_string(data, headers=None): + if headers is None: + headers = {} if "mime-version:" in data[0:4096].lower(): msg = email.message_from_string(data) for (key,val) in headers.items(): |