Move PluginManager out of api folder

common/lib/xmodule/xmodule/tabs.py

@@ -8,7 +8,7 @@ from django.core.files.storage import get_storage_class
 from six import text_type
 from xblock.fields import List
 
-from openedx.core.lib.api.plugins import PluginError
+from openedx.core.lib.plugins import PluginError
 
 log = logging.getLogger("edx.courseware")
 

openedx/core/djangoapps/content/block_structure/transformer_registry.py

@@ -5,7 +5,7 @@ PluginManager.
 from base64 import b64encode
 from hashlib import sha1
 
-from openedx.core.lib.api.plugins import PluginManager
+from openedx.core.lib.plugins import PluginManager
 from openedx.core.lib.cache_utils import memoized
 
 

openedx/core/lib/course_tabs.py

@@ -1,7 +1,7 @@
 """
 Tabs for courseware.
 """
-from openedx.core.lib.api.plugins import PluginManager
+from openedx.core.lib.plugins import PluginManager
 
 # Stevedore extension point namespaces
 COURSE_TAB_NAMESPACE = 'openedx.course_tab'

openedx/core/lib/tests/test_course_tab_api.py

@@ -5,7 +5,7 @@ Tests for the plugin API
 from django.test import TestCase
 from nose.plugins.attrib import attr
 
-from openedx.core.lib.api.plugins import PluginError
+from openedx.core.lib.plugins import PluginError
 from openedx.core.lib.course_tabs import CourseTabPluginManager
 
 

openedx/features/course_experience/course_tools.py

@@ -1,7 +1,7 @@
 """
 Support for course tool plugins.
 """
-from openedx.core.lib.api.plugins import PluginManager
+from openedx.core.lib.plugins import PluginManager
 
 # Stevedore extension point namespace
 COURSE_TOOLS_NAMESPACE = 'openedx.course_tool'