diff --git a/chrononaut/history_mapper.py b/chrononaut/history_mapper.py
index d2479cb..33e9c3b 100644
--- a/chrononaut/history_mapper.py
+++ b/chrononaut/history_mapper.py
@@ -67,8 +67,8 @@ def _col_copy(col):
         version_meta = {"version_meta": True}
 
         for column in local_mapper.local_table.c:
-            if ('version_meta' in column.info or
-                    column.key in hidden_cols or
+            if ('version_meta' in column.info or  # noqa
+                    column.key in hidden_cols or  # noqa
                     column.key in untracked_cols):
                 continue
 
diff --git a/docs/conf.py b/docs/conf.py
index 50d5c09..94e6290 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -56,9 +56,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = u'0.2.2'
+version = u'0.2.3'
 # The full version, including alpha/beta/rc tags.
-release = u'0.2.2'
+release = u'0.2.3'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/setup.py b/setup.py
index 701413b..5d71ade 100755
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@
 """
 from setuptools import setup, find_packages
 
-__version__ = '0.2.2'
+__version__ = '0.2.3'
 
 
 setup(
diff --git a/tests/conftest.py b/tests/conftest.py
index 409abb3..251b314 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -19,7 +19,7 @@ def app(request):
         'SQLALCHEMY_DATABASE_URI',
         'postgres://postgres@localhost/chrononaut_test'
     )
-    app.config['SECRET_KEY'] = '+BU9wMx=xvD\YV'
+    app.config['SECRET_KEY'] = '+BU9wMx=xvD\\YV'
     app.config['LOGIN_DISABLED'] = False
     app.config['WTF_CSRF_ENABLED'] = False
     ctx = app.app_context()
diff --git a/tests/test_basic.py b/tests/test_basic.py
index 57efb83..67c5cc4 100644
--- a/tests/test_basic.py
+++ b/tests/test_basic.py
@@ -11,7 +11,7 @@ def test_unversioned_db_fixture(unversioned_db):
     """
     assert unversioned_db.__class__ == flask_sqlalchemy.SQLAlchemy
     assert unversioned_db.session.__class__ == sqlalchemy.orm.scoping.scoped_session
-    assert (unversioned_db.session.session_factory().__class__.__name__ ==
+    assert (unversioned_db.session.session_factory().__class__.__name__ ==  # noqa
             flask_sqlalchemy.SignallingSession.__name__)
 
 
@@ -20,7 +20,7 @@ def test_db_fixture(db):
     """
     assert db.__class__ == chrononaut.VersionedSQLAlchemy
     assert db.session.__class__ == sqlalchemy.orm.scoping.scoped_session
-    assert (db.session.session_factory().__class__.__name__ ==
+    assert (db.session.session_factory().__class__.__name__ ==  # noqa
             chrononaut.VersionedSignallingSession.__name__)
 
 
@@ -35,7 +35,7 @@ def test_table_names(db, session):
     """Check that all expected tables are being generated,
     including custom `__chrononaut_tablename__` settings
     """
-    assert (set(db.metadata.tables.keys()) ==
+    assert (set(db.metadata.tables.keys()) ==  # noqa
             {'report', 'rep_history', 'todos', 'todos_history', 'unversioned_todos',
              'special_todo', 'special_todo_history',
              'appuser', 'appuser_history', 'role', 'role_history', 'roles_users',