code: def launch_kernel(self, df, args):
      with _CUDFNumbaConfig():
          self.kernel.forall(len(df))(*args)
  
imports: import functools
  from typing import Any, Dict
  import cupy
  from numba import cuda
  from numba.core.utils import pysignature
  import cudf
  from cudf import _lib
  from cudf.core.buffer import acquire_spill_lock
  from cudf.core.column import column
  from cudf.utils import utils
  from cudf.utils._numba import _CUDFNumbaConfig
  from cudf.utils.docutils import docfmt_partial
label_desc: Use image node_id 2 for calling the ApplyRowsCompiler obj's underlying member method code with example usage: obj.launch_kernel(df, args) without return types