shim out traitlets, config

IPython/config.py

@@ -0,0 +1,18 b''
+"""
+Shim to maintain backwards compatibility with old IPython.config imports.
+"""
+# Copyright (c) IPython Development Team.
+# Distributed under the terms of the Modified BSD License.
+
+import sys
+from warnings import warn
+
+warn("The `IPython.config` package has been deprecated. "
+     "You should import from traitlets.config instead.")
+
+from IPython.utils.shimmodule import ShimModule
+
+# Unconditionally insert the shim into sys.modules so that further import calls
+# trigger the custom attribute access above
+
+sys.modules['IPython.config'] = ShimModule(src='IPython.config', mirror='traitlets.config')

IPython/utils/traitlets.py

@@ -0,0 +1,1 b''
+from traitlets.traitlets import *