Remove unused variables

backend/migrations/versions/7d27395c892a_new_migration.py

@@ -16,7 +16,6 @@ branch_labels = None
 depends_on = None
 
 def upgrade():
-
     op.create_table(
         "app",
         sa.Column("id", sa.Integer(), nullable=False),
@@ -40,7 +39,7 @@ def upgrade():
         sa.PrimaryKeyConstraint("user_id", "app_id"),
     )
 
-    role_table = op.create_table(
+    op.create_table(
         "role",
         sa.Column("id", sa.Integer(), nullable=False),
         sa.Column("name", sa.String(length=64), nullable=True),
@@ -53,7 +52,7 @@ def upgrade():
     op.execute("INSERT INTO `role` (id, `name`) VALUES (2, 'user')")
     op.execute("INSERT INTO `role` (id, `name`) VALUES (3, 'no access')")
 
-    oauthclient_app_table = op.create_table('oauthclient_app',
+    op.create_table('oauthclient_app',
         sa.Column('oauthclient_id', mysql.VARCHAR(length=64), nullable=False),
         sa.Column('app_id', mysql.INTEGER(display_width=11), autoincrement=False, nullable=False),
         sa.ForeignKeyConstraint(['app_id'], ['app.id'], name='oauthclient_app_fk_app_id'),