diff --git a/examples/bentoml-demo/bentofile.yaml b/examples/bentoml-demo/bentofile.yaml
index 12902394..181a5d9d 100644
--- a/examples/bentoml-demo/bentofile.yaml
+++ b/examples/bentoml-demo/bentofile.yaml
@@ -1,17 +1,3 @@
-# Copyright 2023 BentoML Team. All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
 service: "service:svc"
 include:
 - "*.py"
diff --git a/examples/langchain-tools-demo/bentofile.yaml b/examples/langchain-tools-demo/bentofile.yaml
index 5d995ea7..cb1ed914 100644
--- a/examples/langchain-tools-demo/bentofile.yaml
+++ b/examples/langchain-tools-demo/bentofile.yaml
@@ -1,17 +1,3 @@
-# Copyright 2023 BentoML Team. All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
 service: "service:svc"
 include:
 - "*.py"
diff --git a/examples/langchain-tools-demo/bentoml_configuration.yaml b/examples/langchain-tools-demo/bentoml_configuration.yaml
index e1c2e537..e04c772e 100644
--- a/examples/langchain-tools-demo/bentoml_configuration.yaml
+++ b/examples/langchain-tools-demo/bentoml_configuration.yaml
@@ -1,17 +1,3 @@
-# Copyright 2023 BentoML Team. All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
 runners:
   llm-dolly-v2-runner:
     resources:
diff --git a/openllm-python/src/openllm/bundle/oci/Dockerfile b/openllm-python/src/openllm/bundle/oci/Dockerfile
index 17a8ecd0..6da9e17e 100644
--- a/openllm-python/src/openllm/bundle/oci/Dockerfile
+++ b/openllm-python/src/openllm/bundle/oci/Dockerfile
@@ -1,18 +1,4 @@
 # syntax=docker/dockerfile-upstream:master
-# Copyright 2023 BentoML Team. All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
 # Adapted from: https://github.com/pytorch/pytorch/blob/master/Dockerfile
 FROM debian:bullseye-slim as pytorch-install
 
diff --git a/openllm-python/src/openllm/client/runtimes/base.py b/openllm-python/src/openllm/client/runtimes/base.py
index 75fa46c4..52a85285 100644
--- a/openllm-python/src/openllm/client/runtimes/base.py
+++ b/openllm-python/src/openllm/client/runtimes/base.py
@@ -13,7 +13,7 @@ T_co = t.TypeVar("T_co", covariant=True)
 if t.TYPE_CHECKING:
   import transformers
   from openllm._typing_compat import DictStrAny, LiteralRuntime
-transformers = openllm.utils.LazyLoader("transformers", globals(), "transformers")  # noqa: F811
+else: transformers = openllm.utils.LazyLoader("transformers", globals(), "transformers")
 
 class AnnotatedClient(t.Protocol[T_co]):
   server_url: str
diff --git a/openllm-python/src/openllm/playground/_meta.yml b/openllm-python/src/openllm/playground/_meta.yml
index e314eb32..192aa3c3 100644
--- a/openllm-python/src/openllm/playground/_meta.yml
+++ b/openllm-python/src/openllm/playground/_meta.yml
@@ -1,17 +1,3 @@
-# Copyright 2023 BentoML Team. All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
 features:
   description: |
     ## General introduction to OpenLLM.
diff --git a/pyproject.toml b/pyproject.toml
index 874034b2..c0aee534 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -369,11 +369,15 @@ exclude = [
     "openllm-python/src/openllm/utils/dummy_*.py",
     "openllm-python/src/openllm/_typing_compat.py",
     "openllm-python/tests",
+    "cz.py",
+    "hatch_build.py",
     "tools",
     "examples",
+    "typings",
 ]
-include = ["openllm-python/src/openllm"]
+executionEnvironments = [{ root = "openllm-python/src" }]
 pythonVersion = "3.12"
+enableExperimentalFeatures = true
 reportMissingImports = "warning"
 reportMissingTypeStubs = false
 reportPrivateUsage = "warning"
diff --git a/typings/cuda/cuda.pyi b/typings/cuda/cuda.pyi
index 07ff7ab5..16d5ea39 100644
--- a/typings/cuda/cuda.pyi
+++ b/typings/cuda/cuda.pyi
@@ -1,17 +1,3 @@
-# Copyright 2023 BentoML Team. All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
 from enum import Enum
 
 class CUresult(Enum):