-if it fails:
-
-1. go to myslice directory
-2. do sqlite3 myslice.sqlite3 [if sqlite3: command not found, do $apt-get install sqlite3]
-3. check the list of tables with sqlite> .tables
-4. if you find those tables that was mentioned in the failure message while running $./manage.py migrate
- do sqlite> DROP TABLE mentioned_table
- [mentioned_table = the tables that was explicity mentioned in the failure message of $./manage.py migrate]
-5. sqlite> .quit
-6. $./manage.py migrate