utils.py: Fix missing import
utils.py: Fix missing import

common-workflow-language/schema_salad,common-workflow-language/schema_salad,manu-chroma/schema_salad,manu-chroma/schema_salad,common-workflow-language/schema_salad,common-workflow-language/schema_salad,common-workflow-language/schema_salad,common-workflow-language/schema_salad,common-workflow-language/schema_salad