cmd.exe doesn't like undefined environment variables?

zopefoundation · Feb 12, 2019 · e788606 · e788606
1 parent aa83fad
commit e788606
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/appveyor.yml b/appveyor.yml
@@ -1,5 +1,7 @@
 environment:
 
+  SUBUNIT: 0
+
   matrix:
     - python: 27
     - python: 27-x64