Merge pull request #6834 from readthedocs/humitos/send-emails-no-template

Allow receiving `None` for `template_html` when sending emails

Author: ericholscher

readthedocs/core/tasks.py

@@ -56,7 +56,8 @@ def send_email_task(
             get_template(template_html).render(context),
             'text/html',
         )
-    except TemplateDoesNotExist:
+    except (TypeError, TemplateDoesNotExist):
+        # TypeError is raised when ``template_html`` is ``None``
         pass
     msg.send()
     log.info('Sent email to recipient: %s', recipient)