+# check for the correct version of python
+major,minor = sys.version_info [0:2]
+if (major,minor) != (2,7):
+ print ("Sorry, the SFA package is currently available only with python-2.7")
+ exit(1)
+
+
+# while cleaning up we might not have this..
+try:
+ from sfa.util.version import version_tag
+except:
+ version_tag='cleaningup'