python3Packages.pandas: skip test_rolling_var_numerical_issues
python3Packages.pandas: skip test_rolling_var_numerical_issues

On amd64, it does not fail on nixpkgs by default, but does fail if you
build everything with e.g. -march=haswell -mtune=haswell

NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs