diff --git a/datasette_vega/__init__.py b/datasette_vega/__init__.py
index 585e26c..ac80b52 100644
--- a/datasette_vega/__init__.py
+++ b/datasette_vega/__init__.py
@@ -3,17 +3,14 @@ import glob
 import os
 
 cache = {}
-static_dir = os.path.join(
-    os.path.dirname(__file__), 'static'
-)
+static_dir = os.path.join(os.path.dirname(__file__), "static")
+
 
 def cached_filepaths_for_extension(extension):
-    pattern = os.path.join(static_dir, '*.{}'.format(extension))
+    pattern = os.path.join(static_dir, "*.{}".format(extension))
     if pattern not in cache:
         cache[pattern] = [
-            "/-/static-plugins/datasette_vega/{}".format(
-                os.path.basename(g)
-            )
+            "/-/static-plugins/datasette_vega/{}".format(os.path.basename(g))
             for g in glob.glob(pattern)
         ]
     return cache[pattern]
@@ -22,10 +19,10 @@ def cached_filepaths_for_extension(extension):
 @hookimpl
 def extra_css_urls(view_name):
     if view_name == "table":
-        return cached_filepaths_for_extension('css')
+        return cached_filepaths_for_extension("css")
 
 
 @hookimpl
 def extra_js_urls(view_name):
     if view_name == "table":
-        return cached_filepaths_for_extension('js')
+        return cached_filepaths_for_extension("js")
diff --git a/setup.py b/setup.py
index 149a92e..a2753f6 100644
--- a/setup.py
+++ b/setup.py
@@ -4,20 +4,21 @@ from subprocess import check_output
 from wheel.bdist_wheel import bdist_wheel
 import os
 
-VERSION = '0.6.2'
+VERSION = "0.6.2"
 ROOT = os.path.dirname(os.path.abspath(__file__))
 
 
 def get_long_description():
-    with open(os.path.join(
-        os.path.dirname(os.path.abspath(__file__)), 'README.md'
-    ), encoding='utf8') as fp:
+    with open(
+        os.path.join(os.path.dirname(os.path.abspath(__file__)), "README.md"),
+        encoding="utf8",
+    ) as fp:
         return fp.read()
 
 
 class BdistWheelWithBuildStatic(bdist_wheel):
     def run(self):
-        self.run_command('build_static')
+        self.run_command("build_static")
         return bdist_wheel.run(self)
 
 
@@ -31,39 +32,41 @@ class BuildStatic(Command):
         pass
 
     def run(self):
-        check_output(['npm', 'install'], cwd=ROOT)
-        check_output(['npm', 'run', 'build'], cwd=ROOT)
-        check_output(['mkdir', '-p', 'datasette_vega/static'], cwd=ROOT)
-        check_output("mv build/static/js/* datasette_vega/static/", shell=True, cwd=ROOT)
-        check_output("mv build/static/css/* datasette_vega/static/", shell=True, cwd=ROOT)
+        check_output(["npm", "install"], cwd=ROOT)
+        check_output(["npm", "run", "build"], cwd=ROOT)
+        check_output(["mkdir", "-p", "datasette_vega/static"], cwd=ROOT)
+        check_output(
+            "mv build/static/js/* datasette_vega/static/", shell=True, cwd=ROOT
+        )
+        check_output(
+            "mv build/static/css/* datasette_vega/static/", shell=True, cwd=ROOT
+        )
 
 
 setup(
-    name='datasette-vega',
-    description='A Datasette plugin that provides tools for generating charts using Vega',
+    name="datasette-vega",
+    description="A Datasette plugin that provides tools for generating charts using Vega",
     long_description=get_long_description(),
-    long_description_content_type='text/markdown',
-    author='Simon Willison',
-    url='https://github.com/simonw/datasette-vega',
-    license='Apache License, Version 2.0',
+    long_description_content_type="text/markdown",
+    author="Simon Willison",
+    url="https://github.com/simonw/datasette-vega",
+    license="Apache License, Version 2.0",
     version=VERSION,
-    packages=['datasette_vega'],
+    packages=["datasette_vega"],
     entry_points={
-        'datasette': [
-            'vega = datasette_vega'
-        ],
+        "datasette": ["vega = datasette_vega"],
     },
     package_data={
-        'datasette_vega': [
-            'static/*.js',
-            'static/*.css',
-            'static/*.map',
+        "datasette_vega": [
+            "static/*.js",
+            "static/*.css",
+            "static/*.map",
         ],
     },
     cmdclass={
-        'bdist_wheel': BdistWheelWithBuildStatic,
-        'build_static': BuildStatic,
+        "bdist_wheel": BdistWheelWithBuildStatic,
+        "build_static": BuildStatic,
     },
-    install_requires=['datasette'],
-    extras_require={"test": ["pytest", "pytest-asyncio", "httpx"]}
+    install_requires=["datasette"],
+    extras_require={"test": ["pytest", "pytest-asyncio", "httpx"]},
 )