https://buildd.debian.org/status/logs.php?pkg=python-cx-oracle&ver=8.3.0-3%2Bb8

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src/cxoConnection.c:1018:14: error: implicit declaration of function ‘dpiConn_beginDistribTrans’ [-Wimplicit-function-declaration]
 1018 |     status = dpiConn_beginDistribTrans(conn->handle, formatId, transactionId,
      |              ^~~~~~~~~~~~~~~~~~~~~~~~~
src/cxoConnection.c: In function ‘cxoConnection_prepare’:
src/cxoConnection.c:1042:14: error: implicit declaration of function ‘dpiConn_prepareDistribTrans’ [-Wimplicit-function-declaration]
 1042 |     status = dpiConn_prepareDistribTrans(conn->handle, &commitNeeded);
      |              ^~~~~~~~~~~~~~~~~~~~~~~~~~~
error: command '/usr/bin/powerpc64le-linux-gnu-gcc' failed with exit code 1
E: pybuild pybuild:485: build: plugin distutils failed with: exit code=1: /usr/bin/python3 setup.py build
dh_auto_build: error: pybuild --build -i python{version} -p "3.14 3.13" --parallel=8 returned exit code 13
make[1]: *** [debian/rules:16: override_dh_auto_build] Error 25