diff --git a/pentapy/_version.py b/pentapy/_version.py
index 956172f..03fcee7 100644
--- a/pentapy/_version.py
+++ b/pentapy/_version.py
@@ -1,2 +1,2 @@
 """Provide a central version."""
-__version__ = "1.0.3.dev1"
+__version__ = "1.0.3"
diff --git a/setup.py b/setup.py
index 1f11259..d580e61 100644
--- a/setup.py
+++ b/setup.py
@@ -32,13 +32,13 @@
 
 
 def read(*parts):
-    """read file data"""
+    """Read file data."""
     with codecs.open(os.path.join(HERE, *parts), "r") as fp:
         return fp.read()
 
 
 def find_version(*file_paths):
-    """find version without importing module"""
+    """Find version without importing module."""
     version_file = read(*file_paths)
     version_match = re.search(
         r"^__version__ = ['\"]([^'\"]*)['\"]", version_file, re.M