For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:python:flask/openSUSE_Tumbleweed/devel:languages:python:flask.repo
zypper refresh
zypper install python-flask-jwt-extended
For openSUSE Leap 15.2 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:python:flask/openSUSE_Leap_15.2/devel:languages:python:flask.repo
zypper refresh
zypper install python-flask-jwt-extended
For openSUSE Factory PowerPC run the following as root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:python:flask/openSUSE_Factory_PowerPC/devel:languages:python:flask.repo
zypper refresh
zypper install python-flask-jwt-extended