change appveyor to 3.7

rasbt · rasbt · commit ef2c004b3ecb · 2022-05-13T09:13:52.000-05:00
diff --git a/.appveyor.yml b/.appveyor.yml
@@ -2,7 +2,7 @@ build: false
 
 environment:
   matrix:
-    - PYTHON_VERSION: 3.9
+    - PYTHON_VERSION: 3.7
       MINICONDA: C:\Miniconda3
 
 init:
