import tilequeue.query.postgres

make_db_data_fetcher = postgres.make_db_data_fetcher

import tilequeue.query.postgres

make_db_data_fetcher = tilequeue.query.postgres.make_db_data_fetcher

Fix error identified by flake8.
Fix error identified by flake8.

  import tilequeue.query.postgres
  
- make_db_data_fetcher = postgres.make_db_data_fetcher
+ make_db_data_fetcher = tilequeue.query.postgres.make_db_data_fetcher
  
Fix error identified by flake8.
## Code Before:
import tilequeue.query.postgres

make_db_data_fetcher = postgres.make_db_data_fetcher

## Instruction:
Fix error identified by flake8.
## Code After:
import tilequeue.query.postgres

make_db_data_fetcher = tilequeue.query.postgres.make_db_data_fetcher
