Oct 21, 2025 · Oct 17, 2025
diff --git a/lib/matplotlib/backends/backend_gtk3.py b/lib/matplotlib/backends/backend_gtk3.py
    CloseEvent, KeyEvent, LocationEvent, MouseEvent, ResizeEvent)

 try:
 import gi
 from gi import require_version as gi_require_version
 except ImportError as err:
    raise ImportError("The GTK3 backends require PyGObject") from err

 try:
    # :raises ValueError: If module/version is already loaded, already
    # required, or unavailable.
 gi.require_version("Gtk", "3.0")
 gi_require_version("Gtk", "3.0")
    # Also require GioUnix to avoid PyGIWarning when Gio is imported
    # GioUnix is platform-specific and may not be available on all systems
    try:
 gi.require_version("GioUnix", "2.0")
 gi_require_version("GioUnix", "2.0")
    except ValueError:
        # GioUnix is not available on this platform, which is fine
        pass
diff --git a/lib/matplotlib/backends/backend_gtk4.py b/lib/matplotlib/backends/backend_gtk4.py
    KeyEvent, LocationEvent, MouseEvent, ResizeEvent, CloseEvent)

 try:
 import gi
 from gi import require_version as gi_require_version
 except ImportError as err:
    raise ImportError("The GTK4 backends require PyGObject") from err

 try:
    # :raises ValueError: If module/version is already loaded, already
    # required, or unavailable.
 gi.require_version("Gtk", "4.0")
 gi_require_version("Gtk", "4.0")
    # Also require GioUnix to avoid PyGIWarning when Gio is imported
    # GioUnix is platform-specific and may not be available on all systems
    try:
 gi.require_version("GioUnix", "2.0")
 gi_require_version("GioUnix", "2.0")
    except ValueError:
        # GioUnix is not available on this platform, which is fine
        pass
    # auto-backend selection logic correctly skips.
    raise ImportError(e) from e

 import gi
 from gi.repository import Gio, GLib, Gtk, Gdk, GdkPixbuf
 from . import _backend_gtk
 from ._backend_gtk import (  # noqa: F401 # pylint: disable=W0611
Original file line number	Diff line number	Diff line change
Expand Up		@@ -10,18 +10,18 @@
		CloseEvent, KeyEvent, LocationEvent, MouseEvent, ResizeEvent)

		try:
		import gi
		from gi import require_version as gi_require_version
		except ImportError as err:
		raise ImportError("The GTK3 backends require PyGObject") from err

		try:
		# :raises ValueError: If module/version is already loaded, already
		# required, or unavailable.
		gi.require_version("Gtk", "3.0")
		gi_require_version("Gtk", "3.0")
		# Also require GioUnix to avoid PyGIWarning when Gio is imported
		# GioUnix is platform-specific and may not be available on all systems
		try:
		gi.require_version("GioUnix", "2.0")
		gi_require_version("GioUnix", "2.0")
		except ValueError:
		# GioUnix is not available on this platform, which is fine
		pass
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -9,18 +9,18 @@
		KeyEvent, LocationEvent, MouseEvent, ResizeEvent, CloseEvent)

		try:
		import gi
		from gi import require_version as gi_require_version
		except ImportError as err:
		raise ImportError("The GTK4 backends require PyGObject") from err

		try:
		# :raises ValueError: If module/version is already loaded, already
		# required, or unavailable.
		gi.require_version("Gtk", "4.0")
		gi_require_version("Gtk", "4.0")
		# Also require GioUnix to avoid PyGIWarning when Gio is imported
		# GioUnix is platform-specific and may not be available on all systems
		try:
		gi.require_version("GioUnix", "2.0")
		gi_require_version("GioUnix", "2.0")
		except ValueError:
		# GioUnix is not available on this platform, which is fine
		pass
Expand All		@@ -29,6 +29,7 @@
		# auto-backend selection logic correctly skips.
		raise ImportError(e) from e

		import gi
		from gi.repository import Gio, GLib, Gtk, Gdk, GdkPixbuf
		from . import _backend_gtk
		from ._backend_gtk import ( # noqa: F401 # pylint: disable=W0611
Expand Down