matplotlib · tacaswell · Jun 18, 2018 · May 23, 2018 · May 23, 2018
diff --git a/examples/scales/log_demo.py b/examples/scales/log_demo.py
@@ -40,7 +40,7 @@
 ax4.set(title='Errorbars go negative')
 ax4.errorbar(x, y, xerr=0.1 * x, yerr=5.0 + 0.75 * y)
 # ylim must be set after errorbar to allow errorbar to autoscale limits
-ax4.set_ylim(ymin=0.1)
+ax4.set_ylim(bottom=0.1)

 fig.tight_layout()
 plt.show()
diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
@@ -7307,8 +7307,8 @@ def spy(self, Z, precision=0, marker=None, markersize=None,
                         marker=marker, markersize=markersize, **kwargs)
            self.add_line(marks)
            nr, nc = Z.shape
-            self.set_xlim(xmin=-0.5, xmax=nc - 0.5)
-            self.set_ylim(ymin=nr - 0.5, ymax=-0.5)
+            self.set_xlim(-0.5, nc - 0.5)
+            self.set_ylim(nr - 0.5, -0.5)
            self.set_aspect(aspect)
            ret = marks
        self.title.set_y(1.05)

diff --git a/lib/matplotlib/pyplot.py b/lib/matplotlib/pyplot.py
@@ -1297,20 +1297,21 @@ def xlim(*args, **kwargs):

    Call signatures::

-        xmin, xmax = xlim()  # return the current xlim
-        xlim((xmin, xmax))   # set the xlim to xmin, xmax
-        xlim(xmin, xmax)     # set the xlim to xmin, xmax
+        left, right = xlim()  # return the current xlim
+        xlim((left, right))   # set the xlim to left, right
+        xlim(left, right)     # set the xlim to left, right

-    If you do not specify args, you can pass *xmin* or *xmax* as kwargs, i.e.::
+    If you do not specify args, you can pass *left* or *right* as kwargs,
+    i.e.::

-        xlim(xmax=3)  # adjust the max leaving min unchanged
-        xlim(xmin=1)  # adjust the min leaving max unchanged
+        xlim(right=3)  # adjust the right leaving left unchanged
+        xlim(left=1)  # adjust the left leaving right unchanged

    Setting limits turns autoscaling off for the x-axis.

    Returns
    -------
-    xmin, xmax
+    left, right
        A tuple of the new x-axis limits.

    Notes
@@ -1333,21 +1334,21 @@ def ylim(*args, **kwargs):

    Call signatures::

-        ymin, ymax = ylim()  # return the current ylim
-        ylim((ymin, ymax))   # set the ylim to ymin, ymax
-        ylim(ymin, ymax)     # set the ylim to ymin, ymax
+        bottom, top = ylim()  # return the current ylim
+        ylim((bottom, top))   # set the ylim to bottom, top
+        ylim(bottom, top)     # set the ylim to bottom, top

-    If you do not specify args, you can alternatively pass *ymin* or *ymax* as
-    kwargs, i.e.::
+    If you do not specify args, you can alternatively pass *bottom* or
+    *top* as kwargs, i.e.::

-        ylim(ymax=3)  # adjust the max leaving min unchanged
-        ylim(ymin=1)  # adjust the min leaving max unchanged
+        ylim(top=3)  # adjust the top leaving bottom unchanged
+        ylim(bottom=1)  # adjust the top leaving bottom unchanged

    Setting limits turns autoscaling off for the y-axis.

    Returns
    -------
-    ymin, ymax
+    bottom, top
        A tuple of the new y-axis limits.

    Notes

diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
@@ -1577,7 +1577,7 @@ def test_hist_step_filled():
    for kg, _type, ax in zip(kwargs, types, axes):
        ax.hist(x, n_bins, histtype=_type, stacked=True, **kg)
        ax.set_title('%s/%s' % (kg, _type))
-        ax.set_ylim(ymin=-50)
+        ax.set_ylim(bottom=-50)

    patches = axes[0].patches
    assert all(p.get_facecolor() == p.get_edgecolor() for p in patches)

diff --git a/lib/matplotlib/tests/test_simplification.py b/lib/matplotlib/tests/test_simplification.py
@@ -33,7 +33,7 @@ def test_overflow():

    fig, ax = plt.subplots()
    ax.plot(x, y)
-    ax.set_xlim(xmin=2, xmax=6)
+    ax.set_xlim(2, 6)


 @image_comparison(baseline_images=['clipping_diamond'], remove_text=True)
@@ -43,8 +43,8 @@ def test_diamond():

    fig, ax = plt.subplots()
    ax.plot(x, y)
-    ax.set_xlim(xmin=-0.6, xmax=0.6)
-    ax.set_ylim(ymin=-0.6, ymax=0.6)
+    ax.set_xlim(-0.6, 0.6)
+    ax.set_ylim(-0.6, 0.6)


 def test_noise():