Addressed all of pyflakes3's complaints

pokedex/tests/test_database_sanity.py

@@ -5,7 +5,7 @@ from sqlalchemy.orm import aliased, joinedload, lazyload
 from sqlalchemy.orm.exc import NoResultFound
 from sqlalchemy.sql import func
 
-from pokedex.db import connect, tables, util
+from pokedex.db import tables, util
 
 def test_encounter_slots(session):
     """Encounters have a version, which has a version group; encounters also

pokedex/tests/test_schema.py

@@ -3,11 +3,10 @@
 import pytest
 
 from sqlalchemy import Column, Integer, String, create_engine
-from sqlalchemy.orm import class_mapper, joinedload, sessionmaker
-from sqlalchemy.orm.session import Session
+from sqlalchemy.orm import joinedload, sessionmaker
 from sqlalchemy.ext.declarative import declarative_base
 
-from pokedex.db import tables, markdown
+from pokedex.db import tables
 from pokedex.db.multilang import MultilangScopedSession, MultilangSession, \
     create_translation_table
 

pokedex/tests/test_strings.py

@@ -3,8 +3,6 @@
 import pytest
 parametrize = pytest.mark.parametrize
 
-from sqlalchemy.orm.exc import NoResultFound
-
 from pokedex.db import tables, connect, util, markdown
 
 @pytest.fixture(scope="module")

pokedex/tests/test_util.py

@@ -3,7 +3,7 @@
 import pytest
 parametrize = pytest.mark.parametrize
 
-from pokedex.db import connect, tables, util
+from pokedex.db import tables, util
 
 def test_get_item_identifier(session):
     item = util.get(session, tables.Item, identifier='master-ball')