Update pyo3 to 0.8

Author: kngwyu

Cargo.toml

@@ -15,7 +15,7 @@ libc = "0.2"
 num-complex = "0.2"
 num-traits = "0.2"
 ndarray = "0.12"
-pyo3 = "0.7"
+pyo3 = {git = "https://github.com/PyO3/pyo3"}
 
 [features]
 # In default setting, python version is automatically detected

src/array.rs

@@ -102,6 +102,7 @@ pub fn get_array_module(py: Python<'_>) -> PyResult<&PyModule> {
 pyobject_native_type_convert!(
     PyArray<T, D>,
     *npyffi::PY_ARRAY_API.get_type_object(npyffi::ArrayType::PyArray_Type),
+    Some("numpy"),
     npyffi::PyArray_Check,
     T, D
 );
@@ -133,8 +134,8 @@ impl<'a, T: TypeNum, D: Dimension> FromPyObject<'a> for &'a PyArray<T, D> {
     }
 }
 
-impl<T, D> IntoPyObject for PyArray<T, D> {
-    fn into_object(self, _py: Python<'_>) -> PyObject {
+impl<T, D> IntoPy<PyObject> for PyArray<T, D> {
+    fn into_py(self, _py: Python<'_>) -> PyObject {
         self.0
     }
 }

src/slice_box.rs

@@ -29,6 +29,7 @@ impl<T> type_object::PyTypeInfo for SliceBox<T> {
     type Type = ();
     type BaseType = PyAny;
     const NAME: &'static str = "SliceBox";
+    const MODULE: Option<&'static str> = Some("_rust_numpy");
     const DESCRIPTION: &'static str = "Memory store for PyArray using rust's Box<[T]>.";
     const FLAGS: usize = 0;
     const SIZE: usize = std::mem::size_of::<Self>();