diff --git a/AUTHORS b/AUTHORS
index e59aba4..fcfb6d3 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -1 +1 @@
-waboring@hemna.com : 1
\ No newline at end of file
+waboring@hemna.com : 1
diff --git a/requirements-dev.txt b/requirements-dev.txt
index fa49431..db152d7 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -20,7 +20,7 @@ pyproject-api==1.10.0     # via tox
 pyproject-hooks==1.2.0    # via build, pip-tools
 pyyaml==6.0.3             # via pre-commit
 setuptools==80.9.0        # via pip-tools
-tomli==2.3.0              # via build, pip-tools, pyproject-api, tox
+tomli==2.4.0              # via build, pip-tools, pyproject-api, tox
 tox==4.32.0               # via -r requirements-dev.in
 typing-extensions==4.15.0  # via tox, virtualenv
 virtualenv==20.35.4       # via pre-commit, tox
diff --git a/tests/threads/test_stats.py b/tests/threads/test_stats.py
index ef137e6..7b3e097 100644
--- a/tests/threads/test_stats.py
+++ b/tests/threads/test_stats.py
@@ -131,14 +131,14 @@ class TestAPRSDStatsStoreThread(unittest.TestCase):
         # Mock the collector to raise an exception
         with mock.patch('aprsd.stats.collector.Collector') as mock_collector_class:
             mock_collector_instance = mock.Mock()
-            mock_collector_instance.collect.side_effect = Exception('Test exception')
+            mock_collector_instance.collect.side_effect = RuntimeError('Test exception')
             mock_collector_class.return_value = mock_collector_instance
 
             # Set loop_count to match save interval
             thread.loop_count = 10
 
             # Should raise the exception
-            with self.assertRaises(Exception):
+            with self.assertRaises(RuntimeError):
                 thread.loop()
 
     # Removed test_loop_count_increment as it's not meaningful to test in isolation
diff --git a/tox.ini b/tox.ini
index 2164e65..6050e0b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -89,3 +89,27 @@ skip_install = true
 basepython = python3
 deps = pre-commit
 commands = pre-commit run --all-files --show-diff-on-failure
+
+[testenv:fix]
+description = run code formatter and linter (auto-fix)
+skip_install = true
+deps =
+    pre-commit-uv>=4.1.1
+commands =
+    pre-commit run --all-files --show-diff-on-failure
+
+[testenv:type]
+runner = uv-venv-lock-runner
+description = run type checker via mypy
+commands =
+    mypy {posargs:aprsd}
+
+[testenv:dev]
+runner = uv-venv-lock-runner
+description = dev environment
+extras =
+    dev
+    tests
+    type
+commands =
+    uv pip tree