Para SLE 15 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:Tools/SLE_15/openSUSE:Tools.repo
zypper refresh
zypper install python-pika
Para SLE 12 SP4 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:Tools/SLE_12_SP4/openSUSE:Tools.repo
zypper refresh
zypper install python-pika
Para SLE 12 SP3 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:Tools/SLE_12_SP3/openSUSE:Tools.repo
zypper refresh
zypper install python-pika