Revert "change keep alive code to try mouse if human does not exist"
Revert "change keep alive code to try mouse if human does not exist"

htgt/CRISPR-Analyser,htgt/CRISPR-Analyser,htgt/CRISPR-Analyser,htgt/CRISPR-Analyser,htgt/CRISPR-Analyser,htgt/CRISPR-Analyser,htgt/CRISPR-Analyser,htgt/CRISPR-Analyser,htgt/CRISPR-Analyser