InteractiveShell* are imported as IPShell*

So call them properly in start()

Signed-off-by: Thomas Spura <[e-mail]>

IPython/Shell.py

@@ -36,7 +36,7 b' from IPython.core.embed import InteractiveShellEmbed as IPShellEmbed'
 def start(user_ns=None, embedded=False):
     """Return an instance of :class:`InteractiveShell`."""
     if embedded:
-        return InteractiveShellEmbed(user_ns=user_ns)
+        return IPShellEmbed(user_ns=user_ns)
     else:
-        return InteractiveShell(user_ns=user_ns)
+        return IPShell(user_ns=user_ns)