pkgloader module to be able to coexist with 2.x

Use scheme that pygtk uses to support parallel installations:

  import pkgloader
  pkgloader.require('skytools', '3.0')

  import skytools

This will allow keeping old module installed by default and new
version is used only by request.

1 files changed, 4 insertions, 1 deletions

diff --git a/scripts/skytools_upgrade.py b/scripts/skytools_upgrade.py
index 557dbd9c..90866611 100755
--- a/scripts/skytools_upgrade.py
+++ b/scripts/skytools_upgrade.py
@@ -2,7 +2,10 @@
 
 """Upgrade script for versioned schemas."""
 
-import sys, os, re, skytools
+import sys, os, re
+
+import pkgloader
+pkgloader.require('skytools', '3.0')
 
 ver_rx = r"(\d+)([.](\d+)([.](\d+))?)?"
 ver_rc = re.compile(ver_rx)