Switch some imports from inputsplitter to inputtransformer2

IPython/core/completer.py

@@ -131,7 +131,7 b' from types import SimpleNamespace'
 
 from traitlets.config.configurable import Configurable
 from IPython.core.error import TryNext
-from IPython.core.inputsplitter import ESC_MAGIC
+from IPython.core.inputtransformer2 import ESC_MAGIC
 from IPython.core.latex_symbols import latex_symbols, reverse_latex_symbol
 from IPython.core.oinspect import InspectColors
 from IPython.utils import generics

IPython/core/interactiveshell.py

@@ -48,7 +48,7 b' from IPython.core.error import InputRejected, UsageError'
 from IPython.core.extensions import ExtensionManager
 from IPython.core.formatters import DisplayFormatter
 from IPython.core.history import HistoryManager
-from IPython.core.inputsplitter import ESC_MAGIC, ESC_MAGIC2
+from IPython.core.inputtransformer2 import ESC_MAGIC, ESC_MAGIC2
 from IPython.core.logger import Logger
 from IPython.core.macro import Macro
 from IPython.core.payload import PayloadManager

IPython/core/magic.py

@@ -19,7 +19,7 b' from getopt import getopt, GetoptError'
 from traitlets.config.configurable import Configurable
 from IPython.core import oinspect
 from IPython.core.error import UsageError
-from IPython.core.inputsplitter import ESC_MAGIC, ESC_MAGIC2
+from IPython.core.inputtransformer2 import ESC_MAGIC, ESC_MAGIC2
 from decorator import decorator
 from IPython.utils.ipstruct import Struct
 from IPython.utils.process import arg_split

IPython/core/prefilter.py

@@ -14,7 +14,7 b' import re'
 
 from IPython.core.autocall import IPyAutocall
 from traitlets.config.configurable import Configurable
-from IPython.core.inputsplitter import (
+from IPython.core.inputtransformer2 import (
     ESC_MAGIC,
     ESC_QUOTE,
     ESC_QUOTE2,