MAINT: drop Python 3.6; add 3.9 & 3.10

.github/workflows/build.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ '3.6', '3.7', '3.8' ]
+        python-version: [ '3.7', '3.8', '3.9', '3.10' ]
     name: Python ${{ matrix.python-version }}
     steps:
     - uses: actions/checkout@v1
@@ -16,9 +16,9 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
     - name: Set Up Node
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v2
       with:
-        node-version: '10.x'
+        node-version: '14'
     - name: Set Up Chromedriver
       run: |
         sudo apt-get update
@@ -33,7 +33,7 @@ jobs:
         pip install pillow pypdf2  # optional test requirements
         pip install .
     - name: Test with pytest
-      run: |
+      run: |  
         pip install pytest
         pytest --doctest-modules altair_saver
 

.github/workflows/lint.yml

@@ -8,10 +8,10 @@ jobs:
     name: flake8-black-mypy
     steps:
     - uses: actions/checkout@v1
-    - name: Set up Python 3.8
+    - name: Set up Python 3.10
       uses: actions/setup-python@v1
       with:
-        python-version: 3.8
+        python-version: "3.10"
     - name: Lint with flake8
       run: |
         pip install flake8

altair_saver/savers/_selenium.py

@@ -215,11 +215,16 @@ def _serve(cls, content: str, js_resources: Dict[str, str]) -> str:
         if cls._provider is None:
             cls._provider = Provider()
         resource = cls._provider.create(
-            content=content, route="", headers={"Access-Control-Allow-Origin": "*"},
+            content=content,
+            route="",
+            headers={"Access-Control-Allow-Origin": "*"},
         )
         cls._resources[resource.url] = resource
         for route, content in js_resources.items():
-            cls._resources[route] = cls._provider.create(content=content, route=route,)
+            cls._resources[route] = cls._provider.create(
+                content=content,
+                route=route,
+            )
         return resource.url
 
     @classmethod

altair_saver/savers/tests/test_html.py

@@ -75,7 +75,9 @@ def test_html_save(
 @pytest.mark.parametrize("embed_options", [None, {"theme": "dark"}])
 @pytest.mark.parametrize("case, data", get_testcases())
 def test_html_mimebundle(
-    case: str, data: Dict[str, Any], embed_options: Optional[dict],
+    case: str,
+    data: Dict[str, Any],
+    embed_options: Optional[dict],
 ) -> None:
     saver = HTMLSaver(data["vega-lite"], embed_options=embed_options)
     bundle = saver.mimebundle("html")

altair_saver/savers/tests/test_node.py

@@ -112,7 +112,9 @@ def exec_path(name: str) -> str:
 
 @pytest.mark.parametrize("suppress_warnings", [True, False])
 def test_stderr_suppression(
-    interactive_spec: JSONDict, suppress_warnings: bool, capsys: SysCapture,
+    interactive_spec: JSONDict,
+    suppress_warnings: bool,
+    capsys: SysCapture,
 ) -> None:
     message = "WARN Can not resolve event source: window"
 

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.black]
 line-length = 88
-target-version = ['py36', 'py37', 'py38']
+target-version = ['py37', 'py38', 'py39']
 include = '\.pyi?$'
 exclude = '''
 /(

setup.py

@@ -77,8 +77,9 @@ def find_packages(top=HERE):
         "Intended Audience :: Science/Research",
         "License :: OSI Approved :: BSD License",
         "Natural Language :: English",
-        "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
     ],
 )