feat: Don't set a cap on allowed attrs version.

BREAKING CHANGE: Minimum required `attrs` version in generated clients is now 21.3.0.

Author: dbanty

end_to_end_tests/golden-record/pyproject.toml

@@ -14,7 +14,7 @@ include = ["CHANGELOG.md", "my_test_api_client/py.typed"]
 [tool.poetry.dependencies]
 python = "^3.7"
 httpx = ">=0.15.4,<0.22.0"
-attrs = ">=20.1.0,<22.0.0"
+attrs = ">=21.3.0"
 python-dateutil = "^2.8.0"
 
 [build-system]

integration-tests/pyproject.toml

@@ -12,7 +12,7 @@ include = ["CHANGELOG.md", "open_api_test_server_client/py.typed"]
 [tool.poetry.dependencies]
 python = "^3.7"
 httpx = ">=0.15.4,<0.22.0"
-attrs = ">=20.1.0,<22.0.0"
+attrs = ">=21.3.0"
 python-dateutil = "^2.8.0"
 
 [tool.poetry.dev-dependencies]

openapi_python_client/templates/pyproject.toml.jinja

@@ -15,7 +15,7 @@ include = ["CHANGELOG.md", "{{ package_name }}/py.typed"]
 [tool.poetry.dependencies]
 python = "^3.7"
 httpx = ">=0.15.4,<0.22.0"
-attrs = ">=20.1.0,<22.0.0"
+attrs = ">=21.3.0"
 python-dateutil = "^2.8.0"
 
 [build-system]

openapi_python_client/templates/setup.py.jinja

@@ -13,6 +13,6 @@ setup(
     long_description_content_type="text/markdown",
     packages=["{{ package_name }}"],
     python_requires=">=3.7, <4",
-    install_requires=["httpx >= 0.15.0, < 0.22.0", "attrs >= 20.1.0, < 22.0.0", "python-dateutil >= 2.8.0, < 3"],
+    install_requires=["httpx >= 0.15.0, < 0.22.0", "attrs >= 21.3.0", "python-dateutil >= 2.8.0, < 3"],
     package_data={"{{ package_name }}": ["py.typed"]},
 )

poetry.lock

@@ -28,7 +28,7 @@ black = "*"
 isort = "^5.0.5"
 importlib_metadata = {version = ">2,<5", python = "<3.8"}
 pydantic = "^1.6.1"
-attrs = "^21.0.0"
+attrs = ">=21.3.0"
 python-dateutil = "^2.8.1"
 httpx = ">=0.15.4,<0.22.0"
 autoflake = "^1.4"