Get rid of cyclic imports

Change-Id: Ia0ea406668eadbd8db1c660fcd6c231af21651c7

tuskar_ui/api/__init__.py

@@ -1,24 +0,0 @@
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-
-from tuskar_ui.api import flavor
-from tuskar_ui.api import heat
-from tuskar_ui.api import node
-from tuskar_ui.api import tuskar
-
-
-__all__ = [
-    "flavor",
-    "heat",
-    "node",
-    "tuskar",
-]

tuskar_ui/infrastructure/overview/forms.py

@@ -19,6 +19,8 @@ import horizon.forms
 import horizon.messages
 
 from tuskar_ui import api
+import tuskar_ui.api.heat
+import tuskar_ui.api.tuskar
 import tuskar_ui.forms