Fix failing pep gate

Recently, pep257 our python docstring checker, was updated to comply
with new rules in PEP 257. No newline before a class docstring is
now the standard. This patch removes the empty line before each class
docstring.

Change-Id: I37261111334c7982291bed7b55afbb2e9689439b

refstack/api/app.py

@@ -111,7 +111,6 @@ log.register_options(CONF)
 
 
 class JSONErrorHook(pecan.hooks.PecanHook):
-
     """A pecan hook that translates webob HTTP errors into a JSON format."""
 
     def __init__(self):
@@ -154,7 +153,6 @@ class JSONErrorHook(pecan.hooks.PecanHook):
 
 
 class CORSHook(pecan.hooks.PecanHook):
-
     """A pecan hook that handles Cross-Origin Resource Sharing."""
 
     def __init__(self):

refstack/api/controllers/auth.py

@@ -92,7 +92,6 @@ CONF.register_opts(OPENID_OPTS, opt_group)
 
 
 class AuthController(rest.RestController):
-
     """Controller provides user authentication in OpenID 2.0 IdP."""
 
     _custom_actions = {

refstack/api/controllers/capabilities.py

@@ -33,7 +33,6 @@ requests_cache.install_cache(cache_name='github_cache',
 
 
 class CapabilitiesController(rest.RestController):
-
     """/v1/capabilities handler.
 
     This acts as a proxy for retrieving capability files

refstack/api/controllers/results.py

@@ -34,7 +34,6 @@ CONF = cfg.CONF
 
 @api_utils.check_permissions(level=const.ROLE_USER)
 class MetadataController(rest.RestController):
-
     """/v1/results/<test_id>/meta handler."""
 
     rw_access_keys = ('shared',)
@@ -66,7 +65,6 @@ class MetadataController(rest.RestController):
 
 
 class ResultsController(validation.BaseRestControllerWithValidation):
-
     """/v1/results handler."""
 
     __validator__ = validators.TestResultValidator

refstack/api/controllers/root.py

@@ -24,8 +24,7 @@ CONF = cfg.CONF
 
 
 class RootController(object):
-
-    """root handler."""
+    """Root handler."""
 
     v1 = v1.V1Controller()
 

refstack/api/controllers/user.py

@@ -26,7 +26,6 @@ from refstack import db
 
 
 class PublicKeysController(validation.BaseRestControllerWithValidation):
-
     """/v1/profile/pubkeys handler."""
 
     __validator__ = validators.PubkeyValidator
@@ -68,7 +67,6 @@ class PublicKeysController(validation.BaseRestControllerWithValidation):
 
 
 class ProfileController(rest.RestController):
-
     """Controller provides user information in OpenID 2.0 IdP.
 
     /v1/profile handler

refstack/api/controllers/v1.py

@@ -22,7 +22,6 @@ from refstack.api.controllers import user
 
 
 class V1Controller(object):
-
     """Version 1 API controller root."""
 
     results = results.ResultsController()

refstack/api/controllers/validation.py

@@ -22,7 +22,6 @@ from pecan import rest
 
 
 class BaseRestControllerWithValidation(rest.RestController):
-
     """Rest controller with validation.
 
     Controller provides validation for POSTed data

refstack/api/exceptions.py

@@ -17,14 +17,12 @@
 
 
 class ParseInputsError(Exception):
-
     """Raise if input params are invalid."""
 
     pass
 
 
 class ValidationError(Exception):
-
     """Raise if request doesn't pass trough validation process."""
 
     def __init__(self, title, exc=None):

refstack/api/validators.py

@@ -47,7 +47,6 @@ def checker_uuid(inst):
 
 
 class BaseValidator(object):
-
     """Base class for validators."""
 
     schema = {}
@@ -75,7 +74,6 @@ class BaseValidator(object):
 
 
 class TestResultValidator(BaseValidator):
-
     """Validator for incoming test results."""
 
     schema = {
@@ -141,7 +139,6 @@ class TestResultValidator(BaseValidator):
 
 
 class PubkeyValidator(BaseValidator):
-
     """Validator for uploaded public pubkeys."""
 
     schema = {

refstack/db/sqlalchemy/api.py

@@ -37,14 +37,12 @@ db_options.set_defaults(cfg.CONF)
 
 
 class NotFound(Exception):
-
     """Raise if item not found in db."""
 
     pass
 
 
 class Duplication(Exception):
-
     """Raise if unique constraint violates."""
 
     pass

refstack/db/sqlalchemy/models.py

@@ -32,7 +32,6 @@ BASE = declarative_base()
 class RefStackBase(models.ModelBase,
                    models.TimestampMixin,
                    models.SoftDeleteMixin):
-
     """Base class for RefStack Models."""
 
     __table_args__ = {'mysql_engine': 'InnoDB'}
@@ -51,7 +50,6 @@ class RefStackBase(models.ModelBase,
 
 
 class Test(BASE, RefStackBase):  # pragma: no cover
-
     """Test."""
 
     __tablename__ = 'test'
@@ -80,7 +78,6 @@ class Test(BASE, RefStackBase):  # pragma: no cover
 
 
 class TestResults(BASE, RefStackBase):  # pragma: no cover
-
     """Test results."""
 
     __tablename__ = 'results'
@@ -104,7 +101,6 @@ class TestResults(BASE, RefStackBase):  # pragma: no cover
 
 
 class TestMeta(BASE, RefStackBase):  # pragma: no cover
-
     """Test metadata."""
 
     __tablename__ = 'meta'
@@ -124,7 +120,6 @@ class TestMeta(BASE, RefStackBase):  # pragma: no cover
 
 
 class User(BASE, RefStackBase):  # pragma: no cover
-
     """User information."""
 
     __tablename__ = 'user'
@@ -147,7 +142,6 @@ class User(BASE, RefStackBase):  # pragma: no cover
 
 
 class PubKey(BASE, RefStackBase):  # pragma: no cover
-
     """User public pubkeys."""
 
     __tablename__ = 'pubkeys'

refstack/db/utils.py

@@ -22,7 +22,6 @@ LOG = log.getLogger(__name__)
 
 
 class PluggableBackend(object):
-
     """A pluggable backend loaded lazily based on some value."""
 
     def __init__(self, pivot, **backends):

refstack/tests/api/__init__.py

@@ -33,7 +33,6 @@ from refstack.db import migration
 
 
 class FunctionalTest(base.BaseTestCase):
-
     """Base class for functional test case.
 
     Used for functional tests where you need to test your.

refstack/tests/unit/__init__.py

@@ -19,7 +19,6 @@ from oslotest import base
 
 
 class RefstackBaseTestCase(base.BaseTestCase):
-
     """Refstack test base class."""
 
     def setup_mock(self, *args, **kwargs):