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authorDavid Robertson <davidr@element.io>2022-10-03 14:26:49 +0100
committerGitHub <noreply@github.com>2022-10-03 13:26:49 +0000
commita423f452942c5b1597c29be50b235c8df4d6c93d (patch)
tree63fcbcfbc1e2a50379442f97af52bbd6bb164935 /synapse/handlers/cas.py
parentBump actions/checkout from 2 to 3 (#13982) (diff)
downloadsynapse-a423f452942c5b1597c29be50b235c8df4d6c93d.tar.xz
Fix twisted trunk mypy errors (#14012)
Diffstat (limited to 'synapse/handlers/cas.py')
-rw-r--r--synapse/handlers/cas.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/synapse/handlers/cas.py b/synapse/handlers/cas.py
index 7163af8004..fc467bc7c1 100644
--- a/synapse/handlers/cas.py
+++ b/synapse/handlers/cas.py
@@ -130,6 +130,9 @@ class CasHandler:
         except PartialDownloadError as pde:
             # Twisted raises this error if the connection is closed,
             # even if that's being used old-http style to signal end-of-data
+            # Assertion is for mypy's benefit. Error.response is Optional[bytes],
+            # but a PartialDownloadError should always have a non-None response.
+            assert pde.response is not None
             body = pde.response
         except HttpResponseException as e:
             description = (