diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cb655b7..906c7ac 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -42,10 +42,17 @@ jobs:
         uses: PyO3/maturin-action@e83996d129638aa358a18fbd1dfb82f0b0fb5d3b # v1.51.0
         with:
           command: build
-          args: --release --out dist
+          args: --verbose --release --out dist
 
       - name: Run tests
         run: |
-          pip install pytest
+          python -m pip install pytest
           python -m pip install --find-links=dist/ pyiks
-          python -m pytest tests/ -v
+          cd tests
+          python -m pytest -v
+
+  all-tests-passed:
+    needs: test
+    runs-on: ubuntu-latest
+    steps:
+      - run: echo "All matrix jobs completed!"
diff --git a/Cargo.toml b/Cargo.toml
index 902d8ae..a1d9307 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ license = "LGPL-3.0-or-later"
 repository = "https://github.com/meduketto/iksemel-python"
 
 [lib]
-name = "_pyiks"
+name = "_iks"
 crate-type = ["cdylib"]
 
 [dependencies]
diff --git a/pyiks/__init__.py b/pyiks/__init__.py
index eab985f..1a1b512 100644
--- a/pyiks/__init__.py
+++ b/pyiks/__init__.py
@@ -1,4 +1,4 @@
-from _pyiks import (
+from ._iks import (
     BadJidError,
     BadXmlError,
     Document,
diff --git a/pyiks/pyiks.pyi b/pyiks/_iks.pyi
similarity index 100%
rename from pyiks/pyiks.pyi
rename to pyiks/_iks.pyi
diff --git a/pyproject.toml b/pyproject.toml
index a8747e0..8fdc2af 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,3 +27,8 @@ homepage = "https://github.com/meduketto/iksemel-python"
 
 [tool.maturin]
 features = ["pyo3/extension-module"]
+exclude = [
+    ".github/**/*",
+    ".gitignore",
+]
+module-name = "pyiks._iks"
diff --git a/src/lib.rs b/src/lib.rs
index 2e1af73..d577f89 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -10,6 +10,7 @@
 
 use std::sync::Arc;
 use std::sync::Mutex;
+use std::sync::PoisonError;
 use std::time::Duration;
 
 use iks::BadJid;
@@ -23,6 +24,7 @@ use iks::XmppClientError;
 use pyo3::create_exception;
 use pyo3::exceptions::PyException;
 use pyo3::exceptions::PyMemoryError;
+use pyo3::exceptions::PyRuntimeError;
 use pyo3::prelude::*;
 
 create_exception!(pyiks, BadXmlError, PyException);
@@ -31,6 +33,7 @@ create_exception!(pyiks, XmppError, PyException);
 
 enum PyIksError {
     NoMemory,
+    PoisonedMutex,
     BadXml(&'static str),
     BadJid(&'static str),
     StreamError(&'static str),
@@ -67,10 +70,17 @@ impl From<XmppClientError> for PyIksError {
     }
 }
 
+impl<T> From<PoisonError<T>> for PyIksError {
+    fn from(_: PoisonError<T>) -> Self {
+        PyIksError::PoisonedMutex
+    }
+}
+
 impl From<PyIksError> for PyErr {
     fn from(err: PyIksError) -> Self {
         match err {
             PyIksError::NoMemory => PyMemoryError::new_err("pyiks alloc failed"),
+            PyIksError::PoisonedMutex => PyRuntimeError::new_err("poisoned mutex"),
             PyIksError::BadXml(msg) => BadXmlError::new_err(msg),
             PyIksError::BadJid(msg) => BadJidError::new_err(msg),
             PyIksError::StreamError(msg) => XmppError::new_err(msg),
@@ -294,6 +304,17 @@ pub enum XmlText {
     Bytes(Vec<u8>),
 }
 
+/// Parse given text and return a 'Document' if successful.
+///
+/// Args:
+///     xml_text: The XML text to parse.
+///
+/// Returns:
+///     Parsed XML tree.
+///
+/// Raises:
+///     BadXmlError: If the XML text is not well-formed.
+///     MemoryError: Not enough memory for the document tree.
 #[pyfunction]
 fn parse(xml_text: XmlText) -> Result<PyDocument, PyIksError> {
     let bytes = match xml_text {
@@ -341,12 +362,12 @@ impl PyXmppClient {
 
     fn wait_for_stanza(&self, py: Python<'_>) -> PyResult<PyDocument> {
         loop {
-            let result = py.detach(|| {
-                let mut client = self.client.lock().unwrap();
-                client.wait_for_stanza_timeout(Some(Duration::from_millis(250)))
+            let result: Result<Option<Document>, PyIksError> = py.detach(|| {
+                let mut client = self.client.lock()?;
+                Ok(client.wait_for_stanza_timeout(Some(Duration::from_millis(250)))?)
             });
             match result {
-                Err(e) => return Err(PyIksError::from(e).into()),
+                Err(e) => return Err(e.into()),
                 Ok(Some(document)) => {
                     return Ok(PyDocument {
                         inner: SyncCursor::new(document),
@@ -360,19 +381,19 @@ impl PyXmppClient {
     }
 
     fn send_stanza(&self, stanza: &PyDocument) -> Result<(), PyIksError> {
-        let mut client = self.client.lock().unwrap();
+        let mut client = self.client.lock()?;
         client.send_bytes(stanza.inner.to_string().into_bytes())?;
         Ok(())
     }
 
     fn request_roster(&self) -> Result<(), PyIksError> {
-        let mut client = self.client.lock().unwrap();
+        let mut client = self.client.lock()?;
         client.request_roster()?;
         Ok(())
     }
 
     fn send_message(&self, to: String, body: String) -> Result<(), PyIksError> {
-        let mut client = self.client.lock().unwrap();
+        let mut client = self.client.lock()?;
         let to_jid = Jid::new(&to)?;
         client.send_message(to_jid, &body)?;
         Ok(())
@@ -380,7 +401,7 @@ impl PyXmppClient {
 }
 
 #[pymodule]
-fn _pyiks(py: Python, m: &Bound<'_, PyModule>) -> PyResult<()> {
+fn _iks(py: Python, m: &Bound<'_, PyModule>) -> PyResult<()> {
     m.add_class::<PyDocument>()?;
     m.add_class::<DocumentChildrenIterator>()?;
     m.add_class::<PyXmppClient>()?;