shim out IPython.parallel into ipython_parallel

IPython/parallel.py

@@ -0,0 +1,20 b''
+"""
+Shim to maintain backwards compatibility with old IPython.parallel imports.
+"""
+# Copyright (c) IPython Development Team.
+# Distributed under the terms of the Modified BSD License.
+
+from __future__ import print_function
+
+import sys
+from warnings import warn
+
+warn("The `IPython.parallel` package has been deprecated. "
+     "You should import from ipython_parallel 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.parallel'] = ShimModule('parallel', mirror='ipython_parallel')