Index: run.update_package.py
===================================================================
diff -u -rf35ed151725c333b031edf05242b9d6d34b3023f -reec1305e0a69e0c68286ae59ffa196589b05e41e
--- run.update_package.py	(.../run.update_package.py)	(revision f35ed151725c333b031edf05242b9d6d34b3023f)
+++ run.update_package.py	(.../run.update_package.py)	(revision eec1305e0a69e0c68286ae59ffa196589b05e41e)
@@ -9,7 +9,7 @@
     packages_directory = sys.argv[1]
     input_arguments_status = True
 
-    if packages_directory is '':
+    if packages_directory == '':
         print("################################ PLEASE PROVIDE THE BINARIES #########################################")
         input_arguments_status = False