code: def _create_driver():
      actives = [
          x.driver for x in backends.values() if x.driver.is_active()
      ]
      if len(actives) != 1:
          raise RuntimeError(
              f"{len(actives)} active drivers ({actives}). There should only be one."
          )
      return actives[0]()
  
file_path: triton/python/triton/runtime/driver.py
imports: from ..backends import backends
label_desc: Use image node_id 1 for calling a global function with example usage: _create_driver() and returns: actives