Using deprecated sha module in place of hashlib to keep compatibility with python2.4

lib/galaxy/web/controllers/genetrack.py

@@ -1,6 +1,6 @@
 import time, glob, os
 from itertools import cycle
-import hashlib
+import sha
 
 from mako import exceptions
 from mako.template import Template
@@ -265,7 +265,7 @@ class WebRoot(BaseController):
         tmpl_name, track_maker  = conf.PLOT_MAPPER[param.plot]
         
         # check against a hash, display an image that already exists if it was previously created.
-        hash = hashlib.sha1()
+        hash = sha.new()
         hash.update(str(dataset_id))
         for key in sorted(kwds.keys()):
             hash.update(str(kwds[key]))

tools/visualization/genetrack.py

@@ -186,4 +186,4 @@ if __name__ == "__main__":
         doc_optparse.exception()
     
     main(label, fit, feats, data_dir, output)
-    
+