diff --git a/__pkginfo__.py b/__pkginfo__.py
index 4e2d407a..88740684 100644
--- a/__pkginfo__.py
+++ b/__pkginfo__.py
@@ -40,7 +40,7 @@ entry_points={
     ]}
 ftp_url            = None
 install_requires   = ['spark-parser >= 1.6.1, < 1.7.0',
-                      'xdis >= 3.3.1, < 3.4.0', 'six']
+                      'xdis >= 3.3.1, < 3.4.0']
 license            = 'MIT'
 mailing_list       = 'python-debugger@googlegroups.com'
 modname            = 'uncompyle6'
diff --git a/appveyor.yml b/appveyor.yml
index 04ac8d77..840b5870 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -15,8 +15,8 @@ environment:
     #   PYTHON_VERSION: "2.7.x"
     #   PYTHON_ARCH: "32"
 
-    - PYTHON: "C:\\Python27-x64"
-      PYTHON_VERSION: "2.7.x"
+    - PYTHON: "C:\\Python25-x64"
+      PYTHON_VERSION: "2.5.x"
       PYTHON_ARCH: "64"
 
     # - PYTHON: "C:\\Python26"