fixed issue with broken imports

Former-commit-id: a6813ff5575e3cc0a16abd7f4aeb215cf1e0c361 [formerly a57e82bcc522ff28c85650e87729fada085c2a99]
Former-commit-id: ec6378e1c0e50e0d8963fdc564cc02e541bf4a9c

drugstone/management/commands/populate_db.py

@@ -10,8 +10,8 @@ from drugstone.management.includes.DataPopulator import DataPopulator
 from .import_from_nedrex import NedrexImporter
 from drugstone.management.includes.NodeCache import NodeCache
 from drugstone.management.includes import DatasetLoader
-from ..includes.DatasetLoader import remove_old_pdi_data, remove_old_ppi_data, remove_old_pdis_data, \
-    remove_old_drdi_data
+# from ..includes.DatasetLoader import remove_old_pdi_data, remove_old_ppi_data, remove_old_pdis_data, \
+#     remove_old_drdi_data
 
 
 class DatabasePopulator: