From e02bbc1247f799fac7f210a9739db68cb5fbeb24 Mon Sep 17 00:00:00 2001
From: norlandrhagen <norlandrhagen@gmail.com>
Date: Wed, 17 Dec 2025 10:21:19 -0700
Subject: [PATCH 1/2] replace my with ty

---
 .github/workflows/typing.yml |  6 +++---
 README.md                    |  1 -
 pyproject.toml               | 28 ++++++++--------------------
 3 files changed, 11 insertions(+), 24 deletions(-)

diff --git a/.github/workflows/typing.yml b/.github/workflows/typing.yml
index 6a2b3ee28..fa501c68c 100644
--- a/.github/workflows/typing.yml
+++ b/.github/workflows/typing.yml
@@ -20,8 +20,8 @@ env:
   PIP_ROOT_USER_ACTION: ignore
 
 jobs:
-  mypy:
-    name: mypy
+  ty:
+    name: ty
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -34,4 +34,4 @@ jobs:
           pixi list --environment test
       - name: Type check
         run: |
-          pixi run -e test run-mypy
+          pixi run -e test ty check
diff --git a/README.md b/README.md
index 7a7bebadc..7af602211 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,6 @@
 [![Code coverage](https://codecov.io/gh/zarr-developers/VirtualiZarr/branch/main/graph/badge.svg?flag=unittests)](https://codecov.io/gh/zarr-developers/VirtualiZarr)
 [![Docs](https://readthedocs.org/projects/virtualizarr/badge/?version=latest)](https://virtualizarr.readthedocs.io/en/latest/)
 [![Linted and Formatted with Ruff](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json)](https://github.com/astral-sh/ruff)
-[![Checked with mypy](http://www.mypy-lang.org/static/mypy_badge.svg)](http://mypy-lang.org/)
 [![pre-commit Enabled](https://img.shields.io/badge/pre--commit-enabled-brightgreen?logo=pre-commit&logoColor=white)](https://pre-commit.com/)
 [![Apache 2.0 License](https://img.shields.io/badge/license-Apache%202-cb2533.svg)](https://www.apache.org/licenses/LICENSE-2.0)
 [![Python Versions](https://img.shields.io/python/required-version-toml?tomlFilePath=https://raw.githubusercontent.com/zarr-developers/VirtualiZarr/main/pyproject.toml&logo=Python&logoColor=gold&label=Python)](https://docs.python.org)
diff --git a/pyproject.toml b/pyproject.toml
index 9108b15a1..7c856ec0f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,6 +29,7 @@ dependencies = [
     "packaging",
     "zarr>=3.1.0",
     "obstore>=0.5.1",
+    "virtual-tiff>=0.2.0",
 ]
 
 # Dependency sets under optional-dependencies are available via PyPI
@@ -112,19 +113,18 @@ docs = [
 ]
 dev = [
     "codecov",
-    "mypy",
     "pandas-stubs",
     "pooch",
     "pre-commit",
     "pytest",
     "pytest-asyncio",
     "pytest-cov",
-    "pytest-mypy",
     "pytest-xdist",
     "ruff",
     "s3fs",
     "lithops",
     "dask",
+    "ty>=0.0.2",
 ]
 
 [project.urls]
@@ -183,7 +183,7 @@ icechunk = "==1.1.2"
 
 # Define commands to run within the test environments
 [tool.pixi.feature.test.tasks]
-run-mypy = { cmd = "mypy virtualizarr" }
+run-ty = { cmd = "ty check" }
 # Using '--dist loadscope' (rather than default of '--dist load' when '-n auto'
 # is used), reduces test hangs that appear to be macOS-related.
 run-tests = { cmd = "pytest -n auto --dist loadscope --run-network-tests --verbose --durations=10" }
@@ -226,24 +226,12 @@ exclude = ["docs", "tests", "tests.*", "docs.*"]
 [tool.setuptools.package-data]
 datatree = ["py.typed"]
 
-[tool.mypy]
-files = "virtualizarr/**/*.py"
-show_error_codes = true
+[tool.ty.src]
+include = ["virtualizarr"]
+exclude = ["docs", ".eggs"]
 
-[[tool.mypy.overrides]]
-module = [
-    "docker",
-    "fsspec.*",
-    "s3fs.*",
-    "h5py",
-    "kerchunk.*",
-    "minio",
-    "numcodecs.*",
-    "ujson",
-    "zarr",
-    "requests",
-]
-ignore_missing_imports = true
+[tool.ty.rules]
+unresolved-import = "ignore"
 
 [tool.ruff]
 # Same as Black.

From 2860b933ab368e49b110587c0f91eebe64bfd455 Mon Sep 17 00:00:00 2001
From: norlandrhagen <norlandrhagen@gmail.com>
Date: Wed, 17 Dec 2025 10:26:57 -0700
Subject: [PATCH 2/2] removed extra lib

---
 pyproject.toml | 1 -
 1 file changed, 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index 7c856ec0f..93312b7c6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,6 @@ dependencies = [
     "packaging",
     "zarr>=3.1.0",
     "obstore>=0.5.1",
-    "virtual-tiff>=0.2.0",
 ]
 
 # Dependency sets under optional-dependencies are available via PyPI