diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
new file mode 100644
index 0000000..22cbeed
--- /dev/null
+++ b/.github/workflows/tests.yaml
@@ -0,0 +1,33 @@
+name: tests
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-20.04
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-python@v2
+      with:
+        python-version: '3.11'
+    - name: Install aiortc dependencies
+      run: |
+        sudo apt update
+        sudo apt install libavdevice-dev libavfilter-dev libopus-dev libvpx-dev libsrtp2-dev pkg-config
+    - name: Install package
+      run: pip install -e .[dev]
+    - name: Unit Tests
+      run: |
+        cd tests/; python -m unittest discover
+  static_analysis:
+    runs-on: ubuntu-20.04
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-python@v2
+      with:
+        python-version: '3.11'
+    - name: Install pre-commit
+      run: pip install pre-commit
+    - name: Static analysis
+      run: |
+        pre-commit run --all
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..62edf45
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,20 @@
+repos:
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.5.0
+    hooks:
+    -   id: check-ast
+    -   id: check-json
+    -   id: check-xml
+    -   id: check-yaml
+    -   id: check-merge-conflict
+    -   id: check-symlinks
+    -   id: check-executables-have-shebangs
+    -   id: check-shebang-scripts-are-executable
+-   repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v1.7.1
+    hooks:
+    -   id: mypy
+-   repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.1.6
+    hooks:
+    -   id: ruff
diff --git a/examples/face_detection/face_detection.py b/examples/face_detection/face_detection.py
old mode 100644
new mode 100755
diff --git a/examples/videostream_cli/cli.py b/examples/videostream_cli/cli.py
index 936dd3b..9640edc 100755
--- a/examples/videostream_cli/cli.py
+++ b/examples/videostream_cli/cli.py
@@ -71,11 +71,9 @@ async def run_offer(args):
   print("Connection established and all tracks are ready")
 
   video_tracks = [stream.get_incoming_video_track(cam, False) for cam in args.cameras]
-  audio_track, channel = None, None
+  audio_track = None
   if stream.has_incoming_audio_track():
     audio_track = stream.get_incoming_audio_track(False)
-  if stream.has_messaging_channel():
-    channel = stream.get_messaging_channel()
   while True:
     try:
       frames = await asyncio.gather(*[track.recv() for track in video_tracks])
diff --git a/pyproject.toml b/pyproject.toml
index ee95efe..9fad067 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,8 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
-  "parameterized>=0.8"
+  "parameterized>=0.8",
+  "pre-commit"
 ]
 
 [project.urls]
diff --git a/tests/test_integration.py b/tests/test_integration.py
index 9ad5209..cf567eb 100755
--- a/tests/test_integration.py
+++ b/tests/test_integration.py
@@ -3,7 +3,6 @@
 import asyncio
 import unittest
 
-import aiortc
 from aiortc.mediastreams import AudioStreamTrack, VideoStreamTrack
 from parameterized import parameterized
 
@@ -54,13 +53,13 @@ class TestStreamIntegration(unittest.IsolatedAsyncioTestCase):
       offer_builder.add_messaging()
     stream = offer_builder.stream()
 
-    offer = await stream.start()
+    _ = await stream.start()
     self.assertTrue(stream.is_started)
 
     try:
       async with asyncio.timeout(2):
         await stream.wait_for_connection()
-    except asyncio.TimeoutError as e:
+    except asyncio.TimeoutError:
       self.fail("Timed out waiting for connection")
     self.assertTrue(stream.is_connected_and_ready)
 
@@ -80,7 +79,7 @@ class TestStreamIntegration(unittest.IsolatedAsyncioTestCase):
       try:
         async with asyncio.timeout(1):
           await track.recv()
-      except asyncio.TimeoutError as e:
+      except asyncio.TimeoutError:
         self.fail("Timed out waiting for audio frame")
 
     for cam in cameras:
@@ -94,7 +93,7 @@ class TestStreamIntegration(unittest.IsolatedAsyncioTestCase):
         try:
           async with asyncio.timeout(1):
             await stream.get_incoming_video_track(cam, False).recv()
-        except asyncio.TimeoutError as e:
+        except asyncio.TimeoutError:
           self.fail("Timed out waiting for video frame")
 
     await stream.stop()
diff --git a/tests/test_stream.py b/tests/test_stream.py
old mode 100644
new mode 100755
index fe28e83..615c9ba
--- a/tests/test_stream.py
+++ b/tests/test_stream.py
@@ -3,11 +3,9 @@
 import unittest
 
 import aiortc
-from aiortc.mediastreams import AudioStreamTrack, VideoStreamTrack
-from parameterized import parameterized
+from aiortc.mediastreams import AudioStreamTrack
 
 from teleoprtc.builder import WebRTCOfferBuilder, WebRTCAnswerBuilder
-from teleoprtc.stream import StreamingOffer
 from teleoprtc.info import parse_info_from_offer
 from teleoprtc.tracks import TiciVideoStreamTrack
 
@@ -40,7 +38,7 @@ class TestOfferStream(unittest.IsolatedAsyncioTestCase):
 
     try:
       _ = await stream.start()
-    except Exception as e:
+    except Exception:
       pass
     
     info = parse_info_from_offer(capture.offer.sdp)
@@ -55,7 +53,7 @@ class TestOfferStream(unittest.IsolatedAsyncioTestCase):
 
     try:
       _ = await stream.start()
-    except Exception as e:
+    except Exception:
       pass
     
     info = parse_info_from_offer(capture.offer.sdp)
@@ -70,7 +68,7 @@ class TestOfferStream(unittest.IsolatedAsyncioTestCase):
 
     try:
       _ = await stream.start()
-    except Exception as e:
+    except Exception:
       pass
     
     info = parse_info_from_offer(capture.offer.sdp)