FIX: update not replace hist_kwargs when density is passed

closes #13982
matplotlib · Apr 19, 2019 · a06f25e · a06f25e
1 parent a3e2897
commit a06f25e
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diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
@@ -6686,7 +6686,7 @@ def hist(self, x, bins=None, range=None, density=None, weights=None,
 
         density = bool(density) or bool(normed)
         if density and not stacked:
-            hist_kwargs = dict(density=density)
+            hist_kwargs['density'] = density
 
         # List to store all the top coordinates of the histograms
         tops = []

diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
@@ -6369,3 +6369,10 @@ def test_hist_nan_data():
 
     assert np.allclose(bins, nanbins)
     assert np.allclose(edges, nanedges)
+
+
+def test_hist_range_and_density():
+    _, bins, _ = plt.hist(np.random.rand(10), "auto",
+                          range=(0, 1), density=True)
+    assert bins[0] == 0
+    assert bins[-1] == 1