fix TypeError

This commit is contained in:
Noah Levitt 2019-10-03 12:10:29 -07:00
parent 2e20380618
commit 5c8d4d57b1

View File

@ -317,7 +317,7 @@ class RethinkDbFrontier:
'adding hashtags %r to existing hashtags %r for page %s',
existing_page.hashtags, fresh_page.hashtags, fresh_page.url)
existing_page.hashtags = list(set(
existing_page.hashtags + fresh_page.hashtags))
(existing_page.hashtags or []) + (fresh_page.hashtags or [])))
existing_page.hops_off = min(
existing_page.hops_off, fresh_page.hops_off)