May 18, 2020 · Jan 27, 2020
diff --git a/lib/matplotlib/axes/_base.py b/lib/matplotlib/axes/_base.py
        if m <= -0.5:
            raise ValueError("margin must be greater than -0.5")
        self._xmargin = m
        self._request_autoscale_view(scalex=True, scaley=False)
        self.stale = True

    def set_ymargin(self, m):
        if m <= -0.5:
            raise ValueError("margin must be greater than -0.5")
        self._ymargin = m
        self._request_autoscale_view(scalex=False, scaley=True)
        self.stale = True

    def margins(self, *margins, x=None, y=None, tight=True):
                cbook._warn_external(f'ignoring tight={tight!r} in get mode')
            return self._xmargin, self._ymargin

        if tight is not None:
            self._tight = tight
        if x is not None:
            self.set_xmargin(x)
        if y is not None:
            self.set_ymargin(y)

        self._request_autoscale_view(
            tight=tight, scalex=(x is not None), scaley=(y is not None)
        )

    def set_rasterization_zorder(self, z):
        """
        Parameters
diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
                              ymax + (ymax - ymin) * 0.5)


 def test_set_margin_updates_limits():
    mpl.style.use("default")
    fig, ax = plt.subplots()
    ax.plot([1, 2], [1, 2])
    ax.set(xscale="log", xmargin=0)
    assert ax.get_xlim() == (1, 2)


 def test_length_one_hist():
    fig, ax = plt.subplots()
    ax.hist(1)
Original file line number	Diff line number	Diff line change
Expand Up		@@ -2294,6 +2294,7 @@ def set_xmargin(self, m):
		if m <= -0.5:
		raise ValueError("margin must be greater than -0.5")
		self._xmargin = m
		self._request_autoscale_view(scalex=True, scaley=False)
		self.stale = True

		def set_ymargin(self, m):
Expand All		@@ -2316,6 +2317,7 @@ def set_ymargin(self, m):
		if m <= -0.5:
		raise ValueError("margin must be greater than -0.5")
		self._ymargin = m
		self._request_autoscale_view(scalex=False, scaley=True)
		self.stale = True

		def margins(self, *margins, x=None, y=None, tight=True):
Expand DownExpand Up		@@ -2386,15 +2388,13 @@ def margins(self, *margins, x=None, y=None, tight=True):
		cbook._warn_external(f'ignoring tight={tight!r} in get mode')
		return self._xmargin, self._ymargin

		if tight is not None:
		self._tight = tight
		if x is not None:
		self.set_xmargin(x)
		if y is not None:
		self.set_ymargin(y)

		self._request_autoscale_view(
		tight=tight, scalex=(x is not None), scaley=(y is not None)
		)

		def set_rasterization_zorder(self, z):
		"""
		Parameters
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -4582,6 +4582,14 @@ def test_margins():
		ymax + (ymax - ymin) * 0.5)


		def test_set_margin_updates_limits():
		mpl.style.use("default")
		fig, ax = plt.subplots()
		ax.plot([1, 2], [1, 2])
		ax.set(xscale="log", xmargin=0)
		assert ax.get_xlim() == (1, 2)


		def test_length_one_hist():
		fig, ax = plt.subplots()
		ax.hist(1)
Expand Down