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Replace reference to %pylab by %matplotlib. #26516

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Merged
merged 1 commit into from
Aug 13, 2023
Merged

Replace reference to %pylab by %matplotlib. #26516

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12 changes: 6 additions & 6 deletions lib/matplotlib/backend_bases.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3412,9 +3412,9 @@ def show(cls, *, block=None):
"""
Show all figures.

`show` blocks by calling `mainloop` if *block* is ``True``, or if it
is ``None`` and we are neither in IPython's ``%pylab`` mode, nor in
`interactive` mode.
`show` blocks by calling `mainloop` if *block* is ``True``, or if it is
``None`` and we are not in `interactive` mode and if IPython's
``%matplotlib`` integration has not been activated.
"""
managers = Gcf.get_all_fig_managers()
if not managers:
Expand All @@ -3427,9 +3427,9 @@ def show(cls, *, block=None):
if cls.mainloop is None:
return
if block is None:
# Hack: Are we in IPython's %pylab mode? In pylab mode, IPython
# (>= 0.10) tacks a _needmain attribute onto pyplot.show (always
# set to False).
# Hack: Is IPython's %matplotlib integration activated? If so,
# IPython's activate_matplotlib (>= 0.10) tacks a _needmain
# attribute onto pyplot.show (always set to False).
pyplot_show = getattr(sys.modules.get("matplotlib.pyplot"), "show", None)
ipython_pylab = hasattr(pyplot_show, "_needmain")
block = not ipython_pylab and not is_interactive()
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