diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1885499ab0..4f980faf94 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -161,6 +161,10 @@ jobs:
       run: |
         sudo apt update || true
         sudo apt install -y --no-install-recommends ninja-build
+    - name: Lint with ruff
+      run: |
+        pip3 install --upgrade --force-reinstall ruff
+        python3 -m ruff check extra/torch_backend/backend.py
     - name: Test one op
       run: PYTHONPATH=. FORWARD_ONLY=1 TINY_BACKEND=1 python3 test/test_ops.py TestOps.test_add
     - name: Test ResNet-18
diff --git a/extra/torch_backend/backend.py b/extra/torch_backend/backend.py
index bdf3972500..f210f56b51 100644
--- a/extra/torch_backend/backend.py
+++ b/extra/torch_backend/backend.py
@@ -1,3 +1,7 @@
+# ruff: noqa: E501, A001, A002, A006
+# A001 Variable `input` is shadowing a Python builtin
+# A002 Function argument `input` is shadowing a Python builtin
+# A006 Lambda argument `input` is shadowing a Python builtin
 from tinygrad import Tensor, dtypes
 from tinygrad.helpers import getenv, prod
 import torch.lib
@@ -280,7 +284,6 @@ tiny_backend_out = {**{f"aten.{x}.out":getattr(Tensor,x) for x in simple_tensor_
   "aten.scatter.value_out": Tensor.scatter,
   "aten.where.self_out": Tensor.where,
   "aten.prod.int_out": Tensor.prod,
-  "aten.div.out_mode": Tensor.div,
   "aten.scatter_add.out": functools.partial(Tensor.scatter_reduce, reduce='sum'),
 }}
 
@@ -340,12 +343,11 @@ tiny_backend = {**{k:wrap_out(v) for k,v in tiny_backend_out.items()}, **{
   # these don't work in out form, they have size 0
   "aten.abs": Tensor.abs,
   "aten.logical_not": Tensor.logical_not,
-  "aten.masked_fill_.Scalar": lambda self,mask,value: self.assign(mask.where(self, value)),
   "aten.multinomial": Tensor.multinomial,
   "aten.pad": Tensor.pad,
   "aten.reflection_pad2d": functools.partial(Tensor.pad, mode="reflect"),
+  "aten.masked_fill_.Scalar": lambda self,mask,value: self.assign(mask.where(self, value)),
   "aten.masked_fill.Scalar": Tensor.masked_fill,
-  "aten.masked_fill_.Scalar": Tensor.masked_fill,
   "aten.masked_fill.Tensor": Tensor.masked_fill,
   "aten.all": Tensor.all,
   "aten.sgn": Tensor.sign,