1 files changed, 2 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/psycopg/default.nix b/nixpkgs/pkgs/development/python-modules/psycopg/default.nix
index 3563aa2ecc89..84161d1a8781 100644
--- a/nixpkgs/pkgs/development/python-modules/psycopg/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/psycopg/default.nix
@@ -206,6 +206,8 @@ buildPythonPackage rec {
   pytestFlagsArray = [
     "-o" "cache_dir=$TMPDIR"
     "-m" "'not refcount and not timing'"
+    # pytest.PytestRemovedIn9Warning: Marks applied to fixtures have no effect
+    "-W" "ignore::pytest.PytestRemovedIn9Warning"
   ];
 
   postCheck = ''