Update appveyor.yml

Author: mottosso

appveyor.yml

@@ -1,32 +1,6 @@
 environment:
   matrix:
-    - PYTHON: "C:\\Python27.10-x64"
-      PYTHON_VERSION: "2.7.10"
-      PYTHON_ARCH: "64"
+    - PYTHON: "C:\\Python27-x64"
 
 install:
-  - ECHO "Filesystem root:"
-  - ps: "ls \"C:/\""
-
-  - ECHO "Installed SDKs:"
-  - ps: "ls \"C:/Program Files/Microsoft SDKs/Windows\""
-
-  # Install Python (from the official .msi of http://python.org) and pip when
-  # not already installed.
-  - ps: if (-not(Test-Path($env:PYTHON))) { & appveyor\install.ps1 }
-
-  # Prepend newly installed Python to the PATH of this build (this cannot be
-  # done from inside the powershell script as it would require to restart
-  # the parent CMD process).
-  - "SET PATH=%PYTHON%;%PYTHON%\\Scripts;%PATH%"
-
-  # Check that we have the expected version and architecture for Python
-  - "python --version"
-  - "python -c \"import struct; print(struct.calcsize('P') * 8)\""
-
-  # Upgrade to the latest version of pip to avoid it displaying warnings
-  # about it being out of date.
-  - "pip install --disable-pip-version-check --user --upgrade pip"
-  
-  # Install Python Qt5
-  - pip install git+git://github.com/pyqt/python-qt5.git
+  - "%PYTHON%\\python.exe -m pip install git+git://github.com/pyqt/python-qt5.git