Added more docs

src/types/iterator.rs

@@ -59,7 +59,10 @@ pub enum PySendResult<'py> {
 }
 
 impl<'py> Bound<'py, PyIterator> {
-    /// Sends a value into the iterator.
+    /// Sends a value into a python generator. This is the equivalent of calling `generator.send(value)` in Python.
+    /// This resumes the generator and continues its execution until the next `yield` or `return` statement.
+    /// If the generator exits without returning a value, this function returns a `StopException`.
+    /// The first call to `send` must be made with `None` as the argument to start the generator, failing to do so will raise a `TypeError`.
     #[inline]
     #[cfg(all(not(PyPy), Py_3_10))]
     pub fn send(&self, value: &Bound<'py, PyAny>) -> PyResult<PySendResult<'py>> {
@@ -130,9 +133,13 @@ impl PyTypeCheck for PyIterator {
 
 #[cfg(test)]
 mod tests {
-    use super::{PyIterator, PySendResult};
+    use super::PyIterator;
+    #[cfg(all(not(PyPy), Py_3_10))]
+    use super::PySendResult;
     use crate::exceptions::PyTypeError;
-    use crate::types::{PyAnyMethods, PyDict, PyList, PyListMethods, PyNone};
+    #[cfg(all(not(PyPy), Py_3_10))]
+    use crate::types::PyNone;
+    use crate::types::{PyAnyMethods, PyDict, PyList, PyListMethods};
     use crate::{ffi, IntoPyObject, Python};
 
     #[test]