File _link of Package trytond_purchase.openSUSE_Backports_SLE-15-SP4_Update

<link project="openSUSE:Backports:SLE-15-SP4:Update" package="trytond_purchase" rev="9575b1df7693ab377167579a5d999abc" vrev="2.7" baserev="9575b1df7693ab377167579a5d999abc">
  <patches>
    <branch></branch>
  </patches>
</link>