Split the PATH environment variable using os.pathsep

gns3server/modules/iou/__init__.py

@@ -68,7 +68,7 @@ class IOU(IModule):
         iou_config = config.get_section_config(name.upper())
         self._iouyap = iou_config.get("iouyap_path")
         if not self._iouyap or not os.path.isfile(self._iouyap):
-            paths = [os.getcwd()] + os.environ["PATH"].split(":")
+            paths = [os.getcwd()] + os.environ["PATH"].split(os.pathsep)
             # look for iouyap in the current working directory and $PATH
             for path in paths:
                 try: