Feb 21, 2023 · Nov 22, 2022 · Nov 22, 2022 · Nov 22, 2022 · Nov 22, 2022 · Nov 26, 2022
diff --git a/doc/api/next_api_changes/deprecations/24904-AL.rst b/doc/api/next_api_changes/deprecations/24904-AL.rst
 Passing inconsistent ``loc`` and ``nth_coord`` to axisartist helpers
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 Trying to construct for example a "top y-axis" or a "left x-axis" is now
 deprecated.
diff --git a/lib/mpl_toolkits/axisartist/axislines.py b/lib/mpl_toolkits/axisartist/axislines.py

        def __init__(self, loc, nth_coord=None):
            """``nth_coord = 0``: x-axis; ``nth_coord = 1``: y-axis."""
            _api.check_in_list(["left", "right", "bottom", "top"], loc=loc)
            self._loc = loc
            self._pos = {"bottom": 0, "top": 1, "left": 0, "right": 1}[loc]
            self.nth_coord = (
                nth_coord if nth_coord is not None else
                {"bottom": 0, "top": 0, "left": 1, "right": 1}[loc])
                _api.check_getitem(
                    {"bottom": 0, "top": 0, "left": 1, "right": 1}, loc=loc))
            if (nth_coord == 0 and loc not in ["left", "right"]
                    or nth_coord == 1 and loc not in ["bottom", "top"]):
                _api.warn_deprecated(
                    "3.7", message=f"{loc=!r} is incompatible with "
                    "{nth_coord=}; support is deprecated since %(since)s")
            self._loc = loc
            self._pos = {"bottom": 0, "top": 1, "left": 0, "right": 1}[loc]
            super().__init__()
            # axis line in transAxes
            self._path = Path(self._to_xy((0, 1), const=self._pos))
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,4 @@
		Passing inconsistent ``loc`` and ``nth_coord`` to axisartist helpers
		~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
		Trying to construct for example a "top y-axis" or a "left x-axis" is now
		deprecated.
Original file line number	Diff line number	Diff line change
Expand Up		@@ -126,12 +126,17 @@ class Fixed(_Base):

		def __init__(self, loc, nth_coord=None):
		"""``nth_coord = 0``: x-axis; ``nth_coord = 1``: y-axis."""
		_api.check_in_list(["left", "right", "bottom", "top"], loc=loc)
		self._loc = loc
		self._pos = {"bottom": 0, "top": 1, "left": 0, "right": 1}[loc]
		self.nth_coord = (
		nth_coord if nth_coord is not None else
		{"bottom": 0, "top": 0, "left": 1, "right": 1}[loc])
		_api.check_getitem(
		{"bottom": 0, "top": 0, "left": 1, "right": 1}, loc=loc))
		if (nth_coord == 0 and loc not in ["left", "right"]
		or nth_coord == 1 and loc not in ["bottom", "top"]):
		_api.warn_deprecated(
		"3.7", message=f"{loc=!r} is incompatible with "
		"{nth_coord=}; support is deprecated since %(since)s")
		self._loc = loc
		self._pos = {"bottom": 0, "top": 1, "left": 0, "right": 1}[loc]
		super().__init__()
		# axis line in transAxes
		self._path = Path(self._to_xy((0, 1), const=self._pos))
Expand Down