Fix support for clim in scatter.

This is the same issue and same fix as for pcolor{,mesh} in 2d8f3be.

Author: anntzer

lib/matplotlib/axes/_axes.py

@@ -4429,13 +4429,12 @@ def scatter(self, x, y, s=None, c=None, marker=None, cmap=None, norm=None,
                 alpha=alpha
                 )
         collection.set_transform(mtransforms.IdentityTransform())
-        collection.update(kwargs)
-
         if colors is None:
             collection.set_array(c)
             collection.set_cmap(cmap)
             collection.set_norm(norm)
             collection._scale_norm(norm, vmin, vmax)
+        collection.update(kwargs)
 
         # Classic mode only:
         # ensure there are margins to allow for the

lib/matplotlib/tests/test_axes.py

@@ -1,6 +1,7 @@
 from collections import namedtuple
 import datetime
 from decimal import Decimal
+from functools import partial
 import io
 from itertools import product
 import platform
@@ -7271,7 +7272,13 @@ def test_empty_line_plots():
 
 def test_clim():
     ax = plt.figure().add_subplot()
-    for plot_method in [ax.imshow, ax.pcolor, ax.pcolormesh, ax.pcolorfast]:
+    for plot_method in [
+            partial(ax.scatter, range(3), range(3), c=range(3)),
+            partial(ax.imshow, [[0, 1], [2, 3]]),
+            partial(ax.pcolor,  [[0, 1], [2, 3]]),
+            partial(ax.pcolormesh, [[0, 1], [2, 3]]),
+            partial(ax.pcolorfast, [[0, 1], [2, 3]]),
+    ]:
         clim = (7, 8)
-        norm = plot_method([[0, 1], [2, 3]], clim=clim).norm
+        norm = plot_method(clim=clim).norm
         assert (norm.vmin, norm.vmax) == clim