Move types module to valence.common directory

This commit moves the 'types' module from api to common directory

Change-Id: I28dc2e8f4d389ece7021e68841e5c2632ecc1f95
Closes-Bug:#1654033

valence/api/link.py

@@ -15,8 +15,8 @@
 
 from flask import request
 
-from valence.api import types
 from valence.common import base
+from valence.common import types
 
 
 def build_url(resource, resource_args, bookmark=False, base_url=None):

valence/api/root.py

@@ -19,8 +19,8 @@ from flask_restful import Resource
 from six.moves import http_client
 
 from valence.api import link
-from valence.api import types
 from valence.common import base
+from valence.common import types
 from valence.common import utils
 from valence.redfish import redfish as rfs
 

valence/api/v1/version.py

@@ -17,8 +17,8 @@ from flask_restful import Resource
 from six.moves import http_client
 
 from valence.api import link
-from valence.api import types
 from valence.common import base
+from valence.common import types
 from valence.common import utils
 
 

valence/common/exception.py

@@ -14,8 +14,8 @@
 
 from six.moves import http_client
 
-from valence.api import types
 from valence.common import base
+from valence.common import types
 
 # TODO(yufei): all request id is faked as all zero string now,
 # need to be replaced with real request uuid in the future

valence/db/models.py

@@ -17,8 +17,8 @@ import os
 
 import etcd
 
-from valence.api import types
 from valence.common import base
+from valence.common import types
 from valence import db
 
 

valence/tests/unit/common/test_types.py

@@ -12,8 +12,8 @@
 
 from unittest import TestCase
 
-from valence.api import types
 from valence.common import base
+from valence.common import types
 
 
 class TestTypes(TestCase):

valence/tests/unit/fakes/common_fakes.py

@@ -10,8 +10,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from valence.api import types
 from valence.common import base
+from valence.common import types
 
 
 class FakeObject(base.ObjectBase):