diff --git a/python/install_python_bindings.py b/python/install_python_bindings.py
index 52a259469..f85f0f27c 100755
--- a/python/install_python_bindings.py
+++ b/python/install_python_bindings.py
@@ -18,15 +18,13 @@ if __name__ == "__main__":
 
     cmd = ["cargo", "build", "-p", "deltachat_ffi"]
 
-    if target == 'release':
+    if target == "release":
         os.environ["CARGO_PROFILE_RELEASE_LTO"] = "on"
         cmd.append("--release")
 
     print("running:", " ".join(cmd))
     subprocess.check_call(cmd)
-    subprocess.check_call("rm -rf build/ src/deltachat/*.so src/deltachat/*.dylib src/deltachat/*.dll" , shell=True)
+    subprocess.check_call("rm -rf build/ src/deltachat/*.so src/deltachat/*.dylib src/deltachat/*.dll", shell=True)
 
     if len(sys.argv) <= 1 or sys.argv[1] != "onlybuild":
-        subprocess.check_call([
-            sys.executable, "-m", "pip", "install", "-e", "."
-        ])
+        subprocess.check_call([sys.executable, "-m", "pip", "install", "-e", "."])
diff --git a/python/setup.py b/python/setup.py
index b50fcba78..9363812c0 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -1,36 +1,37 @@
-import setuptools
 import os
 import re
 
+import setuptools
+
 
 def main():
     with open("README.rst") as f:
         long_description = f.read()
     setuptools.setup(
-        name='deltachat',
-        description='Python bindings for the Delta Chat Core library using CFFI against the Rust-implemented libdeltachat',
+        name="deltachat",
+        description="Python bindings for the Delta Chat Core library using CFFI against the Rust-implemented libdeltachat",
         long_description=long_description,
-        author='holger krekel, Floris Bruynooghe, Bjoern Petersen and contributors',
-        install_requires=['cffi>=1.0.0', 'pluggy', 'imap-tools', 'requests'],
+        author="holger krekel, Floris Bruynooghe, Bjoern Petersen and contributors",
+        install_requires=["cffi>=1.0.0", "pluggy", "imap-tools", "requests"],
         setup_requires=[
-            'setuptools_scm', # required for compatibility with `python3 setup.py sdist`
-            'pkgconfig',
+            "setuptools_scm",  # required for compatibility with `python3 setup.py sdist`
+            "pkgconfig",
         ],
-        packages=setuptools.find_packages('src'),
-        package_dir={'': 'src'},
-        cffi_modules=['src/deltachat/_build.py:ffibuilder'],
-        entry_points = {
-            'pytest11': [
-                'deltachat.testplugin = deltachat.testplugin',
+        packages=setuptools.find_packages("src"),
+        package_dir={"": "src"},
+        cffi_modules=["src/deltachat/_build.py:ffibuilder"],
+        entry_points={
+            "pytest11": [
+                "deltachat.testplugin = deltachat.testplugin",
             ],
         },
         classifiers=[
-            'Development Status :: 4 - Beta',
-            'Intended Audience :: Developers',
-            'License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)',
-            'Programming Language :: Python :: 3',
-            'Topic :: Communications :: Email',
-            'Topic :: Software Development :: Libraries',
+            "Development Status :: 4 - Beta",
+            "Intended Audience :: Developers",
+            "License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)",
+            "Programming Language :: Python :: 3",
+            "Topic :: Communications :: Email",
+            "Topic :: Software Development :: Libraries",
         ],
     )
 
diff --git a/python/tox.ini b/python/tox.ini
index 803065a6e..8aa0896c7 100644
--- a/python/tox.ini
+++ b/python/tox.ini
@@ -42,8 +42,8 @@ deps =
     pygments
     restructuredtext_lint 
 commands =
-    isort --check src/deltachat examples/ tests/
-    black --check src/deltachat examples/ tests/
+    isort --check setup.py install_python_bindings.py src/deltachat examples/ tests/
+    black --check setup.py install_python_bindings.py src/deltachat examples/ tests/
     flake8 src/deltachat
     flake8 tests/ examples/
     rst-lint --encoding 'utf-8' README.rst
@@ -89,4 +89,4 @@ markers =
 
 [flake8]
 max-line-length = 120
-ignore = E203, E266, E501, W503
\ No newline at end of file
+ignore = E203, E266, E501, W503