* Update strings.json * Update config_flow.py * Update homeassistant/components/panasonic_viera/strings.json Co-authored-by: Martin Hjelmare <marhje52@gmail.com> * Update homeassistant/components/panasonic_viera/strings.json Co-authored-by: Martin Hjelmare <marhje52@gmail.com> * Update config_flow.py * Update test_config_flow.py * Update test_config_flow.py * Fix failed tests * revert line 530 * Fix remaining error key * Remove not needed import * Update const.py Co-authored-by: Martin Hjelmare <marhje52@gmail.com>