diff --git a/setup.py b/setup.py
index 79b6c28..ef4d0c8 100644
--- a/setup.py
+++ b/setup.py
@@ -4,75 +4,77 @@
 from setuptools import find_packages
 from setuptools import setup
 
-version = '0.0.3'
+version = "0.0.3"
 
 install_requires = [
-    'requests>=2.25.1',
-    'setuptools>=41.6.0',
+    "requests>=2.25.1",
+    "setuptools>=41.6.0",
 ]
 
-if not os.environ.get('SNAP_BUILD'):
-    install_requires.extend([
-        # We specify the minimum acme and certbot version as the current plugin
-        # version for simplicity. See
-        # https://github.com/certbot/certbot/issues/8761 for more info.
-        f'acme>={version}',
-        f'certbot>={version}',
-    ])
-elif 'bdist_wheel' in sys.argv[1:]:
-    raise RuntimeError('Unset SNAP_BUILD when building wheels '
-                       'to include certbot dependencies.')
-if os.environ.get('SNAP_BUILD'):
-    install_requires.append('packaging')
+if not os.environ.get("SNAP_BUILD"):
+    install_requires.extend(
+        [
+            # We specify the minimum acme and certbot version as the current plugin
+            # version for simplicity. See
+            # https://github.com/certbot/certbot/issues/8761 for more info.
+            f"acme>={version}",
+            f"certbot>={version}",
+        ]
+    )
+elif "bdist_wheel" in sys.argv[1:]:
+    raise RuntimeError(
+        "Unset SNAP_BUILD when building wheels " "to include certbot dependencies."
+    )
+if os.environ.get("SNAP_BUILD"):
+    install_requires.append("packaging")
 
 docs_extras = [
-    'Sphinx>=1.0',  # autodoc_member_order = 'bysource', autodoc_default_flags
-    'sphinx_rtd_theme',
+    "Sphinx>=1.0",  # autodoc_member_order = 'bysource', autodoc_default_flags
+    "sphinx_rtd_theme",
 ]
 
 # Load readme to use on PyPI
-with open('README.rst') as f:
+with open("README.rst") as f:
     readme = f.read()
 
 setup(
-    name='certbot-dns-bunny',
+    name="certbot-dns-bunny",
     version=version,
     description="Bunny.net DNS Authenticator plugin for Certbot",
-    url='https://github.com/mwt/certbot-dns-bunny',
+    url="https://github.com/mwt/certbot-dns-bunny",
     author="Matthew W. Thomas",
-    author_email='certbot-dns-bunny@mwt.me',
-    license='BSD-2-Clause',
-    long_description = readme,
-    python_requires='>=3.7',
+    author_email="certbot-dns-bunny@mwt.me",
+    license="BSD-2-Clause",
+    long_description=readme,
+    python_requires=">=3.7",
     classifiers=[
-        'Development Status :: 5 - Production/Stable',
-        'Environment :: Plugins',
-        'Intended Audience :: System Administrators',
-        'License :: OSI Approved :: BSD License',
-        'Operating System :: POSIX :: Linux',
-        'Programming Language :: Python',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.7',
-        'Programming Language :: Python :: 3.8',
-        'Programming Language :: Python :: 3.9',
-        'Programming Language :: Python :: 3.10',
-        'Topic :: Internet :: WWW/HTTP',
-        'Topic :: Security',
-        'Topic :: System :: Installation/Setup',
-        'Topic :: System :: Networking',
-        'Topic :: System :: Systems Administration',
-        'Topic :: Utilities',
+        "Development Status :: 5 - Production/Stable",
+        "Environment :: Plugins",
+        "Intended Audience :: System Administrators",
+        "License :: OSI Approved :: BSD License",
+        "Operating System :: POSIX :: Linux",
+        "Programming Language :: Python",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.7",
+        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        "Topic :: Internet :: WWW/HTTP",
+        "Topic :: Security",
+        "Topic :: System :: Installation/Setup",
+        "Topic :: System :: Networking",
+        "Topic :: System :: Systems Administration",
+        "Topic :: Utilities",
     ],
-
     packages=find_packages(),
     include_package_data=True,
     install_requires=install_requires,
     extras_require={
-        'docs': docs_extras,
+        "docs": docs_extras,
     },
     entry_points={
-        'certbot.plugins': [
-            'dns-bunny = certbot_dns_bunny._internal.dns_bunny:Authenticator',
+        "certbot.plugins": [
+            "dns-bunny = certbot_dns_bunny._internal.dns_bunny:Authenticator",
         ],
     },
 )
diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index f378e0c..14fe2ff 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -14,7 +14,7 @@ parts:
     source: .
     override-pull: |
         snapcraftctl pull
-        snapcraftctl set-version `grep ^version $SNAPCRAFT_PART_SRC/setup.py | cut -f2 -d= | tr -d "'[:space:]"`
+        snapcraftctl set-version `grep ^version $SNAPCRAFT_PART_SRC/setup.py | cut -f2 -d= | tr -d '"[:space:]'`
     build-environment:
       # We set this environment variable while building to try and increase the
       # stability of fetching the rust crates needed to build the cryptography