Make sure AppVeyor exits if test script fails

dopplershift · dopplershift · commit 9c3426002547 · 2017-11-16T14:21:57.000-07:00
diff --git a/.appveyor.yml b/.appveyor.yml
@@ -96,7 +96,7 @@ install:
   # https://github.com/matplotlib/matplotlib/issues/9176
   - python -c "import sys; sys.exit(not (3,) < sys.version_info < (3,6,3))" && (
     curl -sL https://github.com/python/cpython/pull/1224.patch |
-    patch -fsup 1 -d %CONDA_PREFIX% ) || ( set errorlevel= )
+    patch -fsup 1 -d %CONDA_PREFIX% ) || cmd /c "exit /b 0"
 
   # Let the install prefer the static builds of the libs
   - set LIBRARY_LIB=%CONDA_PREFIX%\Library\lib
