fix setup: python version

setup.py

@@ -22,7 +22,7 @@ tests_require = [
 ] + cocos2d_require
 
 
-if sys.version_info.major == 3 and sys.version_info.major == 4:
+if sys.version_info.major == 3 and sys.version_info.minor == 4:
     install_requires.append('typing')
 
 setup(