code: def is_gpkg(project_name):
      return project_name.startswith(GPKG_PREFIX)
  
file_path: guildai/guild/package.py
imports: import logging
  import os
  import subprocess
  import sys
  import yaml
  from guild import resource
  from guild import resourcedef
  from guild import util
label_desc: Use image node_id 4 for calling a global function with example usage: is_gpkg(project_name) and returns: project_name