fix setuptools version check

Author: saklar13

setup.py

@@ -3,7 +3,7 @@
 from setuptools import find_packages, setup
 from setuptools.version import __version__ as setuptools_version
 
-if tuple(map(int, setuptools_version.split("."))) < (40, 0):
+if tuple(map(int, setuptools_version.split(".")[:2])) < (40, 0):
     import sys
 
     python = sys.executable

version.txt

@@ -1 +1 @@
-1.2.7
+1.2.8