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[PATCH v3 03/17] qapi/main: handle theoretical None-return from re.match
From: |
John Snow |
Subject: |
[PATCH v3 03/17] qapi/main: handle theoretical None-return from re.match() |
Date: |
Tue, 19 Jan 2021 13:02:28 -0500 |
Mypy cannot understand that this match can never be None, so help it
along.
Signed-off-by: John Snow <jsnow@redhat.com>
---
scripts/qapi/main.py | 2 ++
1 file changed, 2 insertions(+)
diff --git a/scripts/qapi/main.py b/scripts/qapi/main.py
index 42517210b80..703e7ed1ed5 100644
--- a/scripts/qapi/main.py
+++ b/scripts/qapi/main.py
@@ -23,6 +23,8 @@
def invalid_prefix_char(prefix: str) -> Optional[str]:
match = re.match(r'([A-Za-z_.-][A-Za-z0-9_.-]*)?', prefix)
+ # match cannot be None, but mypy cannot infer that.
+ assert match is not None
if match.end() != len(prefix):
return prefix[match.end()]
return None
--
2.26.2