Glance is not pep8-clean:
$ pep8 -r bin/glance-* glance
bin/glance-api:42:80: E501 line too long (84 characters)
bin/glance-registry:41:1: E302 expected 2 blank lines, found 1
bin/glance-registry:42:80: E501 line too long (84 characters)
glance/client.py:242:1: W293 blank line contains whitespace
glance/common/exception.py:50:48: E225 missing whitespace around operator
glance/common/utils.py:42:1: E302 expected 2 blank lines, found 1
glance/common/utils.py:51:1: E302 expected 2 blank lines, found 1
glance/common/utils.py:60:1: E302 expected 2 blank lines, found 1
glance/common/utils.py:71:1: E302 expected 2 blank lines, found 1
glance/common/utils.py:86:47: W603 '<>' is deprecated, use '!='
glance/common/utils.py:112:80: E501 line too long (81 characters)
glance/common/utils.py:120:41: E251 no spaces around keyword / parameter equals
glance/common/utils.py:124:38: W603 '<>' is deprecated, use '!='
glance/common/utils.py:132:80: E501 line too long (117 characters)
glance/common/utils.py:201:1: E302 expected 2 blank lines, found 1
glance/registry/db/sqlalchemy/api.py:145:80: E501 line too long (80 characters)
glance/registry/db/sqlalchemy/models.py:140:1: E302 expected 2 blank lines, found 1
glance/registry/db/sqlalchemy/models.py:144:1: W293 blank line contains whitespace
glance/registry/db/sqlalchemy/models.py:159:1: W293 blank line contains whitespace
glance/registry/db/sqlalchemy/models.py:165:1: W293 blank line contains whitespace
glance/registry/db/sqlalchemy/models.py:176:1: W293 blank line contains whitespace
glance/store/filesystem.py:117:1: W293 blank line contains whitespace
glance/store/filesystem.py:122:1: W293 blank line contains whitespace
glance/store/http.py:22:1: E302 expected 2 blank lines, found 1
glance/store/http.py:38:80: E501 line too long (92 characters)
glance/store/http.py:39:1: W293 blank line contains whitespace
glance/store/http.py:42:1: W293 blank line contains whitespace
glance/store/swift.py:32:45: W291 trailing whitespace
glance/store/swift.py:33:76: W291 trailing whitespace
glance/store/swift.py:34:80: E501 line too long (80 characters)
glance/store/swift.py:39:1: W293 blank line contains whitespace
glance/store/swift.py:53:80: E501 line too long (91 characters)
glance/store/swift.py:55:1: W293 blank line contains whitespace
glance/store/swift.py:65:1: W293 blank line contains whitespace
glance/store/swift.py:79:1: W293 blank line contains whitespace
glance/store/backends/__init__.py:76:68: W291 trailing whitespace
