Add test cases for new TryFrom impls

pytests/src/buf_and_str.rs

@@ -43,8 +43,8 @@ impl BytesExtractor {
 
 #[pyfunction]
 fn return_memoryview(py: Python<'_>) -> PyResult<&PyMemoryView> {
-    let bytes = PyBytes::new(py, b"hello world");
-    let memoryview = PyMemoryView::from(bytes)?;
+    let bytes: &PyAny = PyBytes::new(py, b"hello world").into();
+    let memoryview = TryInto::try_into(bytes)?;
     Ok(memoryview)
 }
 

src/types/bytearray.rs

@@ -253,8 +253,8 @@ impl<'py> TryFrom<&'py PyAny> for &'py PyByteArray {
 
 #[cfg(test)]
 mod tests {
-    use crate::exceptions;
     use crate::types::PyByteArray;
+    use crate::{exceptions, PyAny};
     use crate::{PyObject, Python};
 
     #[test]
@@ -332,6 +332,17 @@ mod tests {
         });
     }
 
+    #[test]
+    fn test_try_from() {
+        Python::with_gil(|py| {
+            let src = b"Hello Python";
+            let bytearray: &PyAny = PyByteArray::new(py, src).into();
+            let bytearray: &PyByteArray = TryInto::try_into(bytearray).unwrap();
+
+            assert_eq!(src, unsafe { bytearray.as_bytes() });
+        });
+    }
+
     #[test]
     fn test_resize() {
         Python::with_gil(|py| {