fix

Author: stakira

appveyor.py

@@ -1,6 +1,5 @@
 import os
 import sys
-import urllib.request
 from datetime import datetime
 
 appcast_ver = os.environ.get('APPVEYOR_BUILD_VERSION')
@@ -38,6 +37,7 @@ def write_appcast(appcast_os, appcast_rid, appcast_file):
 
     os.system("del *.xml 2>&1")
 
+    import urllib.request
     urllib.request.urlretrieve("https://www.nuget.org/api/v2/package/Microsoft.AI.DirectML/1.12.0", "Microsoft.AI.DirectML.nupkg")
     os.system("mkdir Microsoft.AI.DirectML")
     os.system("tar -xf Microsoft.AI.DirectML.nupkg -C Microsoft.AI.DirectML")