always set cmake build type

setup.py

@@ -60,7 +60,6 @@ class CMakeBuild(build_ext):
             if sys.maxsize > 2**32:
                 cmake_args += ['-A', 'x64']
             build_args += ['--', '/m']
-        else:
         cmake_args += ['-DCMAKE_BUILD_TYPE=' + cfg]
 
         env = os.environ.copy()