wic: move errors module

Moved from lib/wic/utils/ to lib/wic as this is a core module.

(From OE-Core rev: 808c70b81de5c3cfc3dcb01f08213e2ea33b7252)

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

scripts/lib/wic/plugin.py

@@ -19,8 +19,8 @@ import os
 import sys
 import logging
 
+from wic.errors import CreatorError
 from wic import pluginbase
-from wic.utils import errors
 from wic.utils.misc import get_bitbake_var
 
 __ALL__ = ['PluginMgr', 'pluginmgr']
@@ -110,7 +110,7 @@ class PluginMgr():
         """ the return value is dict of name:class pairs """
 
         if ptype not in PLUGIN_TYPES:
-            raise errors.CreatorError('%s is not valid plugin type' % ptype)
+            raise CreatorError('%s is not valid plugin type' % ptype)
 
         plugins_dir = self._build_plugin_dir_list(self.plugin_dir, ptype)