Bump sparks requirement to 3.7 for celery fine-tuning options.
Bump sparks requirement to 3.7 for celery fine-tuning options.

WillianPaiva/1flow,1flow/1flow,1flow/1flow,WillianPaiva/1flow,WillianPaiva/1flow,WillianPaiva/1flow,1flow/1flow,1flow/1flow,1flow/1flow,WillianPaiva/1flow