Kill old Flask process only if it's actually running.
Kill old Flask process only if it's actually running.

dacut/hpc-lab-maker,dacut/aws-lab-cafe,dacut/hpc-lab-maker,dacut/aws-lab-cafe,dacut/hpc-lab-maker,dacut/aws-lab-cafe,dacut/aws-lab-cafe,dacut/aws-lab-cafe,dacut/hpc-lab-maker,dacut/aws-lab-cafe,dacut/hpc-lab-maker,dacut/hpc-lab-maker