python3Packages.tesserocr: revert 2.8.0 -> 2.9.2, fix build (#497237)

buildPythonPackage rec {

  pname = "tesserocr";

  version = "2.9.2";

  version = "2.8.0";

  format = "setuptools";

  src = fetchPypi {

    inherit pname version;

    hash = "sha256-L6H+PHlXXW/VtSd4Xnc/oZsFXwf5Iv6yrJ1sHmIjNSI=";

    hash = "sha256-vlGNGxtf9UwRqtoeD9EpQlCepwWB4KizmipHOgstvTY=";

  };

  patches = [

    # Fix a broken test. The issue has been reported upstream at

    # https://github.com/sirfz/tesserocr/issues/363

    # Check the status of the issue before removing this patch at the next

    # update.

    # Backport https://github.com/sirfz/tesserocr/pull/364 to fix tests

    (fetchpatch {

      url = "https://github.com/sirfz/tesserocr/commit/78d9e8187bd4d282d572bd5221db2c69e560e017.patch";

      url = "https://github.com/sirfz/tesserocr/commit/853a885d0154a0345e1ea7db80febe04893a3da8.patch";

      hash = "sha256-s51s9EIV9AZT6UoqwTuQ8lOjToqwIIUkDLjsvCsyYFU=";

    })

  ];