Merge pull request #4876 from beetbox/fix4875

lyrics: Bypass None values in Google backend

beetsplug/lyrics.py

@@ -572,6 +572,8 @@ def scrape_lyrics_from_html(html):
     instead.
     """
     def is_text_notcode(text):
+        if not text:
+            return False
         length = len(text)
         return (length > 20 and
                 text.count(' ') > length / 25 and

docs/changelog.rst

@@ -209,6 +209,8 @@ Bug fixes:
   :bug:`4726`
 * :doc:`/plugins/fetchart`: Correctly select the cover art from fanart.tv with
   the highest number of likes
+* :doc:`/plugins/lyrics`: Fix a crash with the Google backend when processing
+  some web pages. :bug:`4875`
 
 For packagers: