Suggest closing due to the release of librime (1.5.3+dfsg1-6), which appears to fix this. Note: #960474 is a duplicate of this.
librime (1.5.3+dfsg1-6) changelog: https://metadata.ftp-master.debian.org/changelogs//main/libr/librime/librime_1.5.3+dfsg1-6_changelog,
