linting

setup.py

@@ -1,25 +1,31 @@
-from setuptools import setup, find_packages
-from codecs import open
+"""setup.py"""
 from os import path
+from setuptools import setup, find_packages
 import catcli
 
-readme = 'README.md'
+README = 'README.md'
 here = path.abspath(path.dirname(__file__))
-read_readme = lambda f: open(f, 'r').read()
-
-VERSION = catcli.__version__
+VERSION = catcli.version.__version__
 REQUIRES_PYTHON = '>=3'
 
+
+def read_readme(readme_path):
+    """read readme content"""
+    with open(readme_path, encoding="utf-8") as file:
+        return file.read()
+
+
+URL = f'https://github.com/deadc0de6/catcli/archive/v{VERSION}.tar.gz'
 setup(
     name='catcli',
     version=VERSION,
 
     description='The command line catalog tool for your offline data',
-    long_description=read_readme(readme),
+    long_description=read_readme(README),
     long_description_content_type='text/markdown',
-    license_files = ('LICENSE',),
+    license_files=('LICENSE',),
     url='https://github.com/deadc0de6/catcli',
-    download_url = 'https://github.com/deadc0de6/catcli/archive/v'+VERSION+'.tar.gz',
+    download_url=URL,
     options={"bdist_wheel": {"python_tag": "py3"}},
     # include anything from MANIFEST.in
     include_package_data=True,