Merge pull request #17 from TUW-GEO/fix-version

Match supported python version with pynetcf

setup.cfg

@@ -40,7 +40,7 @@ install_requires =
 # The usage of test_requires is discouraged, see `Dependency Management` docs
 # tests_require = pytest; pytest-cov
 # Require a specific Python version, e.g. Python 2.7 or >= 3.4
-python_requires = >=3.6
+python_requires = >=3.8
 
 [options.packages.find]
 where = src