Fixed setup.py syntax error.

Author: EraYaN

setup.py

@@ -17,14 +17,15 @@
 from setuptools import setup, find_packages
 import importlib
 
-def find_version(
-        package_name: str, version_module_name: str = 'settings',
-        version_variable_name: str = '__version__') -> str:
+
+def find_version(package_name: str, version_module_name: str = 'settings',
+                 version_variable_name: str = '__version__') -> str:
     """Simulate behaviour of "from package_name.settings import __version__", and return VERSION."""
     version_module = importlib.import_module(
         '{}.{}'.format(package_name.replace('-', '_'), version_module_name))
     return getattr(version_module, version_variable_name)
 
+
 setup(
     name='FletcherFiltering',
     version=find_version('fletcherfiltering'),