Fix path mangling in cleanup_datasets.py

scripts/cleanup_datasets/cleanup_datasets.py

@@ -1,5 +1,9 @@
 #!/usr/bin/env python
 
+new_path = [ os.path.join( os.getcwd(), "lib" ) ]
+new_path.extend( sys.path[1:] ) # remove scripts/ from the path
+sys.path = new_path
+
 from galaxy import eggs
 import pkg_resources  
 pkg_resources.require( "SQLAlchemy >= 0.4" )
@@ -9,10 +13,6 @@ from datetime import datetime, timedelta
 from time import strftime
 from optparse import OptionParser
 
-new_path = [ os.path.join( os.getcwd(), "lib" ) ]
-new_path.extend( sys.path[1:] ) # remove scripts/ from the path
-sys.path = new_path
-
 import galaxy.model.mapping
 from galaxy.model.orm import and_, eagerload