code: def test_bad_callback():
      e = a
      raises(
          ValueError,
          lambda: g.llvm_callable([a], e, callback_type="bad_callback"),
      )
  
imports: from sympy.external import import_module
  from sympy.testing.pytest import raises
  import ctypes
  import sympy
  from sympy.abc import a, b, n
label_desc: Use image node_id 18 for calling a global function with example usage: test_bad_callback() without return types