can't run dxf2gcode

#!/usr/bin/python^M
# -*- coding: cp1252 -*-^M
#^M
#dxf2gcode_b02.py^M
#Programmers:   Christian Kohloeffel^M
#               Vinzenz Schulz^M
#^M
#Distributed under the terms of the GPL (GNU Public License)^M
#^M
#dxf2gcode is free software; you can redistribute it and/or modify^M
#it under the terms of the GNU General Public License as published by^M
#the Free Software Foundation; either version 2 of the License, or^M
#(at your option) any later version.^M
#^M
#This program is distributed in the hope that it will be useful,^M
#but WITHOUT ANY WARRANTY; without even the implied warranty of^M
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the^M
#GNU General Public License for more details.^M
#^M
#You should have received a copy of the GNU General Public License^M
#along with this program; if not, write to the Free Software^M
#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA^M
^M
#About Dialog^M
#First Version of dxf2gcode Hopefully all works as it should^M
#Compiled with --onefile --noconsole --upx --tk dxf2gcode_b02.py^M
^M
#Loeschen aller Module aus dem Speicher^M
import sys, os, string^M
import time^M
^M