test for py37

Author: Chilipp

appveyor.yml

@@ -8,6 +8,8 @@ environment:
       QT_VERSION: "5"
     - PYTHON_VERSION: "3.6"
       QT_VERSION: "5"
+    - PYTHON_VERSION: "3.7"
+      QT_VERSION: "5"
 os: unstable
 install:
   # Install miniconda Python

ci/install_python.ps1

@@ -10,7 +10,7 @@ $BASE_URL = "https://www.python.org/ftp/python/"
 
 function DownloadMiniconda ($python_version, $platform_suffix) {
     $webclient = New-Object System.Net.WebClient
-    if ($python_version -match "3.[456]") {
+    if ($python_version -match "3.[4567]") {
         $filename = "Miniconda3-latest-Windows-" + $platform_suffix + ".exe"
     } else {
         $filename = "Miniconda-latest-Windows-" + $platform_suffix + ".exe"