Looks like I got the images wrong.

Author: ionelmc

.appveyor.yml

@@ -17,19 +17,19 @@ environment:
     - TOXENV: 'pypy3-pytest46-xdist127-coverage55,pypy3-pytest46-xdist133-coverage55,pypy3-pytest54-xdist133-coverage55,pypy3-pytest62-xdist202-coverage55'
 matrix:
   exclude:
-    - image: Visual Studio 2015
-      TOXENV: 'py27-pytest46-xdist127-coverage55'
     - image: Visual Studio 2019
+      TOXENV: 'py27-pytest46-xdist127-coverage55'
+    - image: Visual Studio 2015
       TOXENV: 'py36-pytest46-xdist127-coverage55,py36-pytest46-xdist133-coverage55,py36-pytest54-xdist133-coverage55,py36-pytest62-xdist202-coverage55'
-    - image: Visual Studio 2019
+    - image: Visual Studio 2015
       TOXENV: 'py37-pytest46-xdist127-coverage55,py37-pytest46-xdist133-coverage55,py37-pytest54-xdist133-coverage55,py37-pytest62-xdist202-coverage55'
-    - image: Visual Studio 2019
+    - image: Visual Studio 2015
       TOXENV: 'py38-pytest46-xdist133-coverage55,py38-pytest54-xdist133-coverage55,py38-pytest62-xdist202-coverage55'
-    - image: Visual Studio 2019
+    - image: Visual Studio 2015
       TOXENV: 'py39-pytest62-xdist202-coverage55'
     - image: Visual Studio 2019
       TOXENV: 'pypy-pytest46-xdist127-coverage55'
-    - image: Visual Studio 2019
+    - image: Visual Studio 2015
       TOXENV: 'pypy3-pytest46-xdist127-coverage55,pypy3-pytest46-xdist133-coverage55,pypy3-pytest54-xdist133-coverage55,pypy3-pytest62-xdist202-coverage55'
 init:
   - ps: echo $env:TOXENV

ci/templates/.appveyor.yml

@@ -16,19 +16,19 @@ environment:
     - TOXENV: '{{ pypy3_environments|join(",") }}'
 matrix:
   exclude:
-    - image: Visual Studio 2015
-      TOXENV: '{{ py27_environments|join(",") }}'
     - image: Visual Studio 2019
+      TOXENV: '{{ py27_environments|join(",") }}'
+    - image: Visual Studio 2015
       TOXENV: '{{ py36_environments|join(",") }}'
-    - image: Visual Studio 2019
+    - image: Visual Studio 2015
       TOXENV: '{{ py37_environments|join(",") }}'
-    - image: Visual Studio 2019
+    - image: Visual Studio 2015
       TOXENV: '{{ py38_environments|join(",") }}'
-    - image: Visual Studio 2019
+    - image: Visual Studio 2015
       TOXENV: '{{ py39_environments|join(",") }}'
     - image: Visual Studio 2019
       TOXENV: '{{ pypy_environments|join(",") }}'
-    - image: Visual Studio 2019
+    - image: Visual Studio 2015
       TOXENV: '{{ pypy3_environments|join(",") }}'
 init:
   - ps: echo $env:TOXENV