matplotlib · QuLogic · Aug 1, 2023 · Jul 30, 2023
diff --git a/examples/misc/packed_bubbles.py b/examples/misc/packed_bubbles.py
@@ -76,8 +76,7 @@ def check_collisions(self, bubble, bubbles):

    def collides_with(self, bubble, bubbles):
        distance = self.outline_distance(bubble, bubbles)
-        idx_min = np.argmin(distance)
-        return idx_min if type(idx_min) == np.ndarray else [idx_min]
+        return np.argmin(distance, keepdims=True)

    def collapse(self, n_iterations=50):
        """

diff --git a/lib/matplotlib/dviread.py b/lib/matplotlib/dviread.py
@@ -622,7 +622,7 @@ def __init__(self, scale, tfm, texname, vf):
                       for char in range(nchars)]

    def __eq__(self, other):
-        return (type(self) == type(other)
+        return (type(self) is type(other)
                and self.texname == other.texname and self.size == other.size)

    def __ne__(self, other):

diff --git a/lib/matplotlib/font_manager.py b/lib/matplotlib/font_manager.py
@@ -851,7 +851,7 @@ def set_fontconfig_pattern(self, pattern):
        pattern syntax for use here.
        """
        for key, val in parse_fontconfig_pattern(pattern).items():
-            if type(val) == list:
+            if type(val) is list:
                getattr(self, "set_" + key)(val[0])
            else:
                getattr(self, "set_" + key)(val)

diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
@@ -2834,12 +2834,12 @@ def _as_mpl_axes(self):

    # testing axes creation with plt.axes
    ax = plt.axes([0, 0, 1, 1], projection=prj)
-    assert type(ax) == PolarAxes
+    assert type(ax) is PolarAxes
    plt.close()

    # testing axes creation with subplot
    ax = plt.subplot(121, projection=prj)
-    assert type(ax) == PolarAxes
+    assert type(ax) is PolarAxes
    plt.close()



diff --git a/lib/matplotlib/tests/test_cbook.py b/lib/matplotlib/tests/test_cbook.py
@@ -224,7 +224,7 @@ def test_callback_complete(self, pickle):

        # test that we can add a callback
        cid1 = self.connect(self.signal, mini_me.dummy, pickle)
-        assert type(cid1) == int
+        assert type(cid1) is int
        self.is_not_empty()

        # test that we don't add a second callback
@@ -249,7 +249,7 @@ def test_callback_disconnect(self, pickle):

        # test that we can add a callback
        cid1 = self.connect(self.signal, mini_me.dummy, pickle)
-        assert type(cid1) == int
+        assert type(cid1) is int
        self.is_not_empty()

        self.disconnect(cid1)
@@ -267,7 +267,7 @@ def test_callback_wrong_disconnect(self, pickle):

        # test that we can add a callback
        cid1 = self.connect(self.signal, mini_me.dummy, pickle)
-        assert type(cid1) == int
+        assert type(cid1) is int
        self.is_not_empty()

        self.disconnect("foo")

diff --git a/lib/matplotlib/tests/test_image.py b/lib/matplotlib/tests/test_image.py
@@ -1461,6 +1461,6 @@ def test_str_norms(fig_test, fig_ref):
    axrs[3].imshow(t, norm=colors.SymLogNorm(linthresh=2, vmin=.3, vmax=.7))
    axrs[4].imshow(t, norm="logit", clim=(.3, .7))

-    assert type(axts[0].images[0].norm) == colors.LogNorm  # Exactly that class
+    assert type(axts[0].images[0].norm) is colors.LogNorm  # Exactly that class
    with pytest.raises(ValueError):
        axts[0].imshow(t, norm="foobar")
diff --git a/lib/matplotlib/tests/test_scale.py b/lib/matplotlib/tests/test_scale.py
@@ -37,22 +37,22 @@ def test_symlog_mask_nan():
    x = np.arange(-1.5, 5, 0.5)
    out = slti.transform_non_affine(slt.transform_non_affine(x))
    assert_allclose(out, x)
-    assert type(out) == type(x)
+    assert type(out) is type(x)

    x[4] = np.nan
    out = slti.transform_non_affine(slt.transform_non_affine(x))
    assert_allclose(out, x)
-    assert type(out) == type(x)
+    assert type(out) is type(x)

    x = np.ma.array(x)
    out = slti.transform_non_affine(slt.transform_non_affine(x))
    assert_allclose(out, x)
-    assert type(out) == type(x)
+    assert type(out) is type(x)

    x[3] = np.ma.masked
    out = slti.transform_non_affine(slt.transform_non_affine(x))
    assert_allclose(out, x)
-    assert type(out) == type(x)
+    assert type(out) is type(x)


 @image_comparison(['logit_scales.png'], remove_text=True)