diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 0000000..8c92089
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,11 @@
+on:
+  push:
+
+jobs:
+  lint:
+  - uses: actions/checkout@v4
+  - uses: actions/setup-python@v5
+  - name: install
+    run: pip install ruff
+  - name: check
+    run: ruff check
diff --git a/examples/classless.py b/examples/classless.py
deleted file mode 100644
index 11df422..0000000
--- a/examples/classless.py
+++ /dev/null
@@ -1,6 +0,0 @@
-# classless.py -- short-mode low-code sample
-
-from viam.components.sensor import Sensor as BaseClass
-
-async def get_readings(self, **kwargs):
-    return {"success?": True}
diff --git a/ruff.toml b/ruff.toml
new file mode 100644
index 0000000..158a205
--- /dev/null
+++ b/ruff.toml
@@ -0,0 +1,2 @@
+[lint]
+ignore = ["E501", "E401"]
diff --git a/viam_wrap.py b/viam_wrap.py
index 28dea1e..545ffda 100755
--- a/viam_wrap.py
+++ b/viam_wrap.py
@@ -118,7 +118,7 @@ def pymod_to_models(mod: ModuleType, register: bool = True) -> Iterator[type]:
             continue
         if is_imported(val, mod):
             continue
-        if type(val.MODEL) is str:
+        if isinstance(val.MODEL, str):
             val.MODEL = parse_model(val.MODEL)
         patch_attrs(val, new=dynamic_new, reconfigure=dynamic_reconfigure)
         if register: