wic: move WicError to lib/wic/__init__.py

Removed unused exceptions from error.py
Moved definition of WicError to lib/wic/__init__.py

(From OE-Core rev: 15442d072bb6d93bd9b941726f93262503053da5)

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

scripts/lib/wic/plugins/source/bootimg-efi.py

@@ -28,7 +28,7 @@ import logging
 import os
 import shutil
 
-from wic.errors import WicError
+from wic import WicError
 from wic.engine import get_custom_config
 from wic.pluginbase import SourcePlugin
 from wic.utils.misc import (exec_cmd, exec_native_cmd, get_bitbake_var,

scripts/lib/wic/plugins/source/bootimg-partition.py

@@ -29,7 +29,7 @@ import re
 
 from glob import glob
 
-from wic.errors import WicError
+from wic import WicError
 from wic.pluginbase import SourcePlugin
 from wic.utils.misc import exec_cmd, get_bitbake_var
 

scripts/lib/wic/plugins/source/bootimg-pcbios.py

@@ -27,8 +27,8 @@
 import logging
 import os
 
+from wic import WicError
 from wic.engine import get_custom_config
-from wic.errors import WicError
 from wic.utils import runner
 from wic.pluginbase import SourcePlugin
 from wic.utils.misc import (exec_cmd, exec_native_cmd,

scripts/lib/wic/plugins/source/fsimage.py

@@ -18,7 +18,7 @@
 import logging
 import os
 
-from wic.errors import WicError
+from wic import WicError
 from wic.pluginbase import SourcePlugin
 from wic.utils.misc import get_bitbake_var
 

scripts/lib/wic/plugins/source/isoimage-isohybrid.py

@@ -26,7 +26,7 @@ import os
 import re
 import shutil
 
-from wic.errors import WicError
+from wic import WicError
 from wic.engine import get_custom_config
 from wic.pluginbase import SourcePlugin
 from wic.utils.misc import exec_cmd, exec_native_cmd, get_bitbake_var

scripts/lib/wic/plugins/source/rawcopy.py

@@ -18,7 +18,7 @@
 import logging
 import os
 
-from wic.errors import WicError
+from wic import WicError
 from wic.pluginbase import SourcePlugin
 from wic.utils.misc import exec_cmd, get_bitbake_var
 from wic.filemap import sparse_copy

scripts/lib/wic/plugins/source/rootfs.py

@@ -31,7 +31,7 @@ import shutil
 
 from oe.path import copyhardlinktree
 
-from wic.errors import WicError
+from wic import WicError
 from wic.pluginbase import SourcePlugin
 from wic.utils.misc import get_bitbake_var, exec_cmd
 

scripts/lib/wic/plugins/source/rootfs_pcbios_ext.py

@@ -22,7 +22,7 @@ import logging
 import os
 import re
 
-from wic.errors import WicError
+from wic import WicError
 from wic.utils import runner
 from wic.utils.misc import get_bitbake_var, exec_cmd, exec_native_cmd
 from wic.pluginbase import SourcePlugin