diff --git a/requests_util/__init__.py b/requests_util/__init__.py
index e92f09f..087f8cd 100644
--- a/requests_util/__init__.py
+++ b/requests_util/__init__.py
@@ -1,4 +1,6 @@
-'''Utility module for setting up ratelimiting on third-party sessions.'''
+"""Utility module for setting up ratelimiting on third-party sessions."""
+
+from _version import __version__
 
 import logging
 
@@ -13,13 +15,15 @@ except ImportError:
     )
 
 
-def setup_limiter(session: requests.Session, url_prefix: str, **limiter_args): requests.Session:
-    '''
+def setup_limiter(
+    session: requests.Session, url_prefix: str, **limiter_args
+) -> requests.Session:
+    """
     Initializes limiter on session for the given domain with the given
     settings.
 
     Will always return the given session itself.
-    '''
+    """
     if requests_ratelimiter:
         session.mount(url_prefix, requests_ratelimiter.LimiterAdapter(**limiter_args))
     return session
diff --git a/requests_util/_version.py b/requests_util/_version.py
new file mode 100644
index 0000000..b794fd4
--- /dev/null
+++ b/requests_util/_version.py
@@ -0,0 +1 @@
+__version__ = '0.1.0'
diff --git a/setup.py b/setup.py
index 72a8231..a950dd9 100644
--- a/setup.py
+++ b/setup.py
@@ -7,18 +7,20 @@ PACKAGE_NAME = 'requests_util'
 with open('README.md', 'r') as f:
     readme = f.read()
 
-with open(PACKAGE_NAME+'/_version.py', 'r') as f:
+with open(PACKAGE_NAME + '/_version.py', 'r') as f:
     text = f.read()
     match = re.match(r'^__version__\s*=\s*(["\'])([\d\.]+)\1$', text)
     version = match.group(2)
     del match, text
 
+
 def get_short_description(readme: str):
     readme = re.sub(r'#+[^\n]*\n+', '', readme)
     m = re.search(r'^\s*(\w+[\w\s,]+\.)', readme)
     readme = m.group(1)
     return readme
 
+
 setup(
     name=PACKAGE_NAME,
     version=version,
@@ -27,10 +29,10 @@ setup(
     long_description_content_type='text/markdown',
     author='Jmaa',
     author_email='jonjmaa@gmail.com',
-    url='https://gitfub.space/Jmaa/'+PACKAGE_NAME,
+    url='https://gitfub.space/Jmaa/' + PACKAGE_NAME,
     packages=[PACKAGE_NAME],
     install_requires=['requests'],
-    extras_require = {
+    extras_require={
         'Request ratelimiting': ['requests_ratelimiter'],
         'Request caching': ['requests_cache'],
     },