code: def required():
      import os, sys
  
      root = os.path.dirname(
          os.path.realpath(os.path.join(__file__, "../.."))
      )
  
      deps = ["base_model", "linear_model", "robust"]
  
      for dep in deps:
          if "tick." + dep + ".build" not in sys.modules:
              p = os.path.realpath(os.path.join(root, dep + "/build"))
              os.environ["PATH"] = p + os.pathsep + os.environ["PATH"]
  
label_desc: Use image node_id 1 for calling a global function with example usage: required() without return types