catch No AssetType/Format Matches error

this still raises error for example for "This content is not available in your location."
2017-06-29 01:21:27 +02:00 · 2017-06-29 01:21:27 +02:00 · 2a1bccadcb
commit 2a1bccadcb
parent ff1b383c00
1 changed files with 2 additions and 1 deletions
--- a/youtube_dl/extractor/cbs.py
+++ b/youtube_dl/extractor/cbs.py
@ -6,7 +6,8 @@ from ..utils import (
    find_xpath_attr,
    xpath_element,
    xpath_text,
-    update_url_query,
+    ExtractorError,
+    update_url_query
 )