fix: fix check for empty notice handlers list

Issue reported by Mypy 0.990. Thank you!

diff --git a/psycopg/psycopg/connection.py b/psycopg/psycopg/connection.py
index 5f98dbc6ed580e91a54ef183ed78a9406db0862b..d40b4807f35d6d889664464f18a9742fd6ba5b9e 100644 (file)
--- a/psycopg/psycopg/connection.py
+++ b/psycopg/psycopg/connection.py
@@ -335,7 +335,7 @@ class BaseConnection(Generic[Row]):
         wself: "ReferenceType[BaseConnection[Row]]", res: "PGresult"
     ) -> None:
         self = wself()
-        if not (self and self._notice_handler):
+        if not (self and self._notice_handlers):
             return
 
         diag = e.Diagnostic(res, pgconn_encoding(self.pgconn))