Add test for #1301

This adds a test for detecting a malformed content-transfer-encoding
(trailing semi-colon).
It also changes the raised exception to the more appropriate ValueError.

1 files changed, 1 insertions, 1 deletions

diff --git a/alot/db/utils.py b/alot/db/utils.py
index 0a7a3e7a..1284098c 100644
--- a/alot/db/utils.py
+++ b/alot/db/utils.py
@@ -416,7 +416,7 @@ def remove_cte(part, as_string=False):
         elif cte == 'base64':
             raw_payload = base64.b64decode(payload)
         else:
-            raise Exception(
+            raise ValueError(
                 'Unknown Content-Transfer-Encoding: "{}"'.format(cte))
         # message.get_payload(decode=True) also handles a number of unicode
         # encodindigs. maybe those are useful?