installation - Install QGIS Ubuntugis on Ubuntu 17.10

can't install qgis as per qgis download page.

at command line:

sudo apt-get install qgis python-qgis qgis-plugin-grass

getting unmet dependencies:

The following packages have unmet dependencies:
 python-qgis : Depends: python-qgis-common (= 1:2.18.14+13jessie) but 1:2.18.11+24xenial is to be installed
               Depends: libqgispython2.18.14 but it is not going to be installed
               Depends: libgdal1h (>= 1.8.0) but it is not installable

               Depends: libgeos-c1 (>= 3.4.2) but it is not installable
               Depends: libproj0 (>= 4.8.0) but it is not installable
               Depends: libqgis-analysis2.18.14 but it is not going to be installed
               Depends: libqgis-core2.18.14 but it is not going to be installed
               Depends: libqgis-gui2.18.14 but it is not going to be installed
               Depends: libqgis-networkanalysis2.18.14 but it is not going to be installed
               Depends: libqgis-server2.18.14 but it is not going to be installed
               Depends: libqwt6 but it is not installable
               Depends: libspatialindex3 (>= 1.8.1) but it is not installable
               Depends: libspatialite5 (>= 2.4.0) but it is not installable

               Depends: sip-api-11.1 but it is not installable
 qgis : Depends: libgdal1h (>= 1.9.0) but it is not installable
        Depends: libgeos-c1 (>= 3.4.2) but it is not installable
        Depends: libgsl0ldbl (>= 1.9) but it is not installable
        Depends: libproj0 (>= 4.8.0) but it is not installable
        Depends: libqgis-analysis2.18.14 but it is not going to be installed
        Depends: libqgis-app2.18.14 but it is not going to be installed
        Depends: libqgis-core2.18.14 but it is not going to be installed
        Depends: libqgis-gui2.18.14 but it is not going to be installed
        Depends: libqgis-networkanalysis2.18.14 but it is not going to be installed

        Depends: libqwt6 but it is not installable
        Depends: libspatialindex3 (>= 1.8.1) but it is not installable
        Depends: libspatialite5 (>= 2.4.0) but it is not installable
        Depends: qgis-providers (= 1:2.18.14+13jessie) but it is not going to be installed
        Recommends: qgis-provider-grass but it is not going to be installed
 qgis-plugin-grass : Depends: qgis-provider-grass (= 1:2.18.14+13jessie) but it is not going to be installed
                     Depends: libgdal1h (>= 1.8.0) but it is not installable
                     Depends: libgeos-c1 (>= 3.4.2) but it is not installable
                     Depends: libproj0 (>= 4.8.0) but it is not installable
                     Depends: libqgis-analysis2.18.14 but it is not going to be installed

                     Depends: libqgis-app2.18.14 but it is not going to be installed
                     Depends: libqgis-core2.18.14 but it is not going to be installed
                     Depends: libqgis-gui2.18.14 but it is not going to be installed
                     Depends: libqgisgrass6-2.18.14 but it is not going to be installed
                     Depends: libqwt6 but it is not installable
                     Depends: libspatialindex3 (>= 1.8.1) but it is not installable
                     Depends: libspatialite5 (>= 2.4.0) but it is not installable
                     Depends: grass644 but it is not installable
E: Unable to correct problems, you have held broken packages.

deb http://qgis.org/debian jessie main
deb-src http://qgis.org/debian jessie main

deb http://ppa.launchpad.net/ubuntugis/ubuntugis-unstable/ubuntu jessie main

any ideas out there