For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:dheidler/openSUSE_Tumbleweed/home:dheidler.repo
zypper refresh
zypper install python3-pika
For openSUSE Factory ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:dheidler/openSUSE_Factory_ARM/home:dheidler.repo
zypper refresh
zypper install python3-pika
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:dheidler/15.5/home:dheidler.repo
zypper refresh
zypper install python3-pika
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:dheidler/15.4/home:dheidler.repo
zypper refresh
zypper install python3-pika