Give an emtpy input the right shape

dstansby · dstansby · commit 7fed80025b49 · 2017-11-14T10:34:33.000Z
diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
@@ -6095,7 +6095,7 @@ def hist(self, x, bins=None, range=None, density=None, weights=None,
         input_empty = np.size(x) == 0
         # Massage 'x' for processing.
         if input_empty:
-            x = [np.array([[]])]
+            x = [np.array([])]
         else:
             x = cbook._reshape_2D(x, 'x')
         nx = len(x)  # number of datasets
