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MNT: ensure we can show un-pickled figures...
MNT: ensure we can show un-pickled figures For Matplotlib < 3.2 inline figures maybe re-hydrated with the canvas attribute as None. In that case `print_figure` will fail, this ensure that a minimal canvas will exist.

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config.py
19 lines | 642 B | text/x-python | PythonLexer
"""
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
from .utils.shimmodule import ShimModule, ShimWarning
warn("The `IPython.config` package has been deprecated since IPython 4.0. "
"You should import from traitlets.config instead.", ShimWarning)
# 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')