Add a type hint for main() in dectest's scripts

diff --git a/tests/scripts/dectest.py b/tests/scripts/dectest.py
index d4fc5822d3bd6982ecd7cd50401fee1feb471b36..60f676a52ed7608578984161645638c88a81cc02 100644 (file)
--- a/tests/scripts/dectest.py
+++ b/tests/scripts/dectest.py
@@ -12,7 +12,7 @@ format = psycopg.pq.Format.BINARY
 test = "copy"
 
 
-def main():
+def main() -> None:
     cnn = psycopg.connect()
 
     cnn.execute(