#190 - remove Python 3.5 support because of f-string

Author: mahtin

setup.py

@@ -42,15 +42,14 @@ def main():
                 'cli4=cli4.__main__:main'
             ]
         },
-        python_requires='>3.5.0',
+        python_requires='>3.6.0',
         classifiers=[
             'Development Status :: 5 - Production/Stable',
             'Intended Audience :: Developers',
             'Topic :: Software Development :: Libraries :: Python Modules',
             'License :: OSI Approved :: MIT License',
             'Programming Language :: Python',
             'Programming Language :: Python :: 3',
-            'Programming Language :: Python :: 3.5',
             'Programming Language :: Python :: 3.6',
             'Programming Language :: Python :: 3.7',
             'Programming Language :: Python :: 3.8',