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url_preview: Fix crash when description has no content.

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There's several things we'll want to cleanup with this feature, but
for now we're content to just make this not crash.
This commit is contained in:
Tim Abbott
2018-05-17 12:40:43 -07:00
parent d5e7b9599d
commit 3006b3f52f
1 changed files with 1 additions and 1 deletions
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2
zerver/lib/url_preview/parsers/generic.py
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@@ -20,7 +20,7 @@ class GenericParser(BaseParser):
def _get_description(self) -> Optional[str]:
soup = self._soup
meta_description = soup.find('meta', attrs={'name': 'description'})
if (meta_description and meta_description['content'] != ''):
if (meta_description and meta_description.get('content', '') != ''):
return meta_description['content']
first_h1 = soup.find('h1')
if first_h1: