-BuildRequires: python2-devel, python2-virtualenv, python2-ply
-BuildRequires: mbedtls-devel
-%else
-%if 0%{?fedora} == 25
-BuildRequires: subunit, subunit-devel
-BuildRequires: openssl-devel
-BuildRequires: python-devel, python2-virtualenv, python2-ply
-BuildRequires: mbedtls-devel
+BuildRequires: python, python-devel, python-virtualenv, python-ply
+BuildRequires: python3, python36-devel, python3-virtualenv
+BuildRequires: cmake