Linter messages not always visible about coc-python HOT 7 CLOSED

{
    // https://github.com/neoclide/coc.nvim/blob/master/data/schema.json<Paste>
    "suggest.enablePreview": true,
    "suggest.triggerAfterInsertEnter": true,
    //"suggest.echodocSupport": true,
    "signature.enable": true,

    "diagnostic.refreshOnInsertMode": true,
    "diagnostic.errorSign": "\uf05e",
    "diagnostic.infoSign": "\uf071",
    "coc.preferences.formatOnSaveFiletypes": ["python"],

    "python.pythonPath": "${workspaceFolder}/.venv/bin/python",
    "python.autoComplete.extraPaths": [
        "${workspaceFolder}/livestatus/api/python",
    ],
    "python.autoComplete.typeshedPaths": [],
    "python.venvFolders": [".venv"],
    "python.venvPath": "${workspaceFolder}",

    "python.analysis.disabled": ["undefined-variable"],
    "python.jediEnabled": false,

    "python.linting.pylintEnabled": true,
    "python.linting.pylintPath": "${workspaceFolder}/.venv/bin/pylint",
    "python.linting.pylintUseMinimalCheckers": false,

    "python.formatting.provider": "yapf",

    "python.linting.mypyEnabled": true,
    "python.linting.mypyPath": "${workspaceFolder}/tests/static/.venv/bin/mypy",
    "python.linting.mypyArgs": [
        "--ignore-missing-imports",
        "--follow-imports=silent",
        "--show-column-numbers",
        "--python-version 2.7",
    ],

    "python.linting.banditEnabled": true,
    "python.linting.banditPath": "${workspaceFolder}/.venv/bin/bandit",

    // Some optional debugging to get more information via ":CocCommand workspace.showOutput"
    "python.trace.server": "verbose",
}