Modernize the meta files of the project

setup.py

@@ -6,17 +6,7 @@ from setuptools import setup, find_packages
 from setuptools import Command
 
 
-class MyCommand(Command):
-    user_options = []
-
-    def initialize_options(self):
-        pass
-
-    def finalize_options(self):
-        pass
-
-
-class SetupPythonEnvironment(MyCommand):
+class SetupPythonEnvironment(Command):
     description = 'create a (virtual) python environment'
 
     def run(self):
@@ -54,7 +44,7 @@ class SetupPythonEnvironment(MyCommand):
         print('- All others: source %s/bin/activate' % path)
 
 
-class QuickSetup(MyCommand):
+class QuickSetup(Command):
     description = 'create a typical installation for developing'
 
     def run(self):
@@ -94,7 +84,7 @@ class QuickSetup(MyCommand):
 
 setup(
     name='django-dav-events',
-    version='2.1.2',
+    version='2.2.1',
     description='A django based web application project to organize DAV Events.',
     url='https://dev.heinzelwerk.de/git/DAV-KA/django-dav-events',
     author='Jens Kleineheismann',
@@ -105,26 +95,9 @@ setup(
     },
     packages=find_packages(),
     include_package_data=True,
-    test_suite='tests.test_suite',
     entry_points={
         'console_scripts': [
             'django-dav-admin = dav_base.console_scripts.admin:main',
         ],
     },
-    install_requires=[
-        'babel',
-        #'django >= 1.11, < 2.0',
-        'django >= 1.11, < 3.3',
-        # 'django-extensions',
-        'django-bootstrap3',
-        'django-countries',
-        'django-datetime-widget2',
-        'pytz',
-        'selenium',
-        'setuptools',
-        'coverage',
-    ],
-    extras_require={
-        'production': ['psycopg2'],
-    },
 )