Remove unused imports

[Rongze Zhu]

Remove unused imports

find . -type f -name "*py" -exec pylint -r n {} \; | grep -E "Unused imp|^\*"

************* Module api.v1.router
W: 18,0: Unused import routes
************* Module api.v1.images
************* Module db.sqlalchemy.migrate_repo.versions
************* Module db.sqlalchemy.migrate_repo.versions.007_add_owner
W: 18,0: Unused import UsageError from wildcard import
W: 19,0: Unused import and_ from wildcard import
************* Module db.sqlalchemy.migrate_repo.versions.001_add_images_table
W: 18,0: Unused import UsageError from wildcard import
W: 19,0: Unused import text from wildcard import
************* Module db.sqlalchemy.migrate_repo.versions.005_size_big_integer
W: 18,0: Unused import UsageError from wildcard import
W: 19,0: Unused import text from wildcard import
************* Module db.sqlalchemy.migrate_repo.versions.012_id_to_uuid
************* Module db.sqlalchemy.migrate_repo.versions.015_quote_swift_credentials
************* Module db.sqlalchemy.migrate_repo.versions.004_add_checksum
W: 18,0: Unused import UsageError from wildcard import
W: 19,0: Unused import engine_from_config from wildcard import
W: 18,0: Unused import NoSuchTableError from wildcard import
************* Module db.sqlalchemy.migrate_repo.versions.013_add_protected
************* Module db.sqlalchemy.migrate_repo.versions.008_add_image_members_table
W: 18,0: Unused import UsageError from wildcard import
W: 33,0: Unused import PrimaryKeyConstraint from wildcard import
************* Module tests.unit.base
W: 26,0: Unused import filesystem
************* Module tests.unit.test_image_cache
W: 27,0: Unused import exception
************* Module tests.unit.test_config
W: 26,0: Unused import pruner
************* Module tests.unit.test_misc
W: 18,0: Unused import commands
W: 19,0: Unused import datetime
W: 21,0: Unused import re
W: 25,0: Unused import importutils
************* Module tests.functional.v1.test_swift
W: 40,0: Unused import glance
************* Module tests.stubs
W: 35,0: Unused import utils
************* Module tests.utils
W: 30,0: Unused import config
W: 35,0: Unused import store

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/11464

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/11464
Committed: http://github.com/openstack/glance/commit/aea4f4416b7bc34b9bd27955cd1ccc99af6b09ad
Submitter: Jenkins
Branch: master

commit aea4f4416b7bc34b9bd27955cd1ccc99af6b09ad
Author: RongzeZhu <email address hidden>
Date: Thu Aug 16 22:16:56 2012 +0800

    Remove unused imports

    Fixes bug #1037592

    Change-Id: I3365d028ab67931517d2f94cc4b7e3752fbdb869