@extism.plugin_fn
def count_vowels(config: extism.Config, input: str) -> Count:
 ...

Error: the `wizer.initialize` function trapped
Caused by:
 0: error while executing at wasm backtrace:
 0: 0xc3d536 - core.wasm!extism_pdk::extism::load_input::ha87e3399c3e88427
 1: 0xc3da6f - core.wasm!extism_pdk::input_bytes::hb6157a98e888d918
 2: 0x99a9 - core.wasm!core::py_module::__pyfunction_input_str::h20274f6b4ee092c8
 3: 0x8e3a - core.wasm!pyo3::impl_::trampoline::trampoline::hba91026dbca8481a
 4: 0x9984 - core.wasm!core::py_module::<impl core::py_module::input_str::MakeDef>::_PYO3_DEF::trampoline::hb47a2005df801990
 5: 0x12613f - core.wasm!cfunction_vectorcall_NOARGS
 6: 0x1da1a - core.wasm!_PyObject_VectorcallTstate
 7: 0x1f06e - core.wasm!PyObject_Vectorcall
 8: 0x2d366e - core.wasm!_PyEval_EvalFrameDefault
 9: 0x2b18db - core.wasm!_PyEval_EvalFrame
 10: 0x2b129b - core.wasm!_PyEval_Vector
 11: 0x2b0f9c - core.wasm!PyEval_EvalCode
 12: 0x36b71c - core.wasm!exec_code_in_module
 13: 0x36b40f - core.wasm!PyImport_ExecCodeModuleObject
 14: 0x36b0ab - core.wasm!PyImport_ExecCodeModuleWithPathnames
 15: 0x36b4b1 - core.wasm!PyImport_ExecCodeModuleEx
 16: 0xc4f726 - core.wasm!pyo3::types::module::PyModule::from_code_bound::hee18162d729acce4
 17: 0x19d32 - core.wasm!wizer.initialize
 18: 0xc89a3b - core.wasm!wizer.initialize.command_export
 1: Error: attempted to call an unknown imported function: 'extism:host/env' 'input_length'
 
 You cannot call arbitrary imported functions during Wizer initialization.