Restoring a production heroku postgres backup into a local postgres instance on OSX

Postgres heroku dump restore in local

0. Make sure your Postgres version is the same as the heroku one (even minor version) 
1. Download heroku backup
2. Add .dump extension to the file
3. Run 
$ pg_restore -f mydatabase.sql mydatabase.dump 
to convert sql dump to sql.
4. Find the 'Owner' name in the file and replace all with your localhost Owner (find by using \l and finding the owner of local database's Name)
5. psql databasename
6. \i mydatabasedump.sql