BUG : minimal fix for date x-values in stem plots

tacaswell · tacaswell · commit 380fe2969214 · 2014-05-15T22:35:45.000-04:00
closes #2602
diff --git a/CHANGELOG b/CHANGELOG
@@ -8,6 +8,8 @@
 2014-04-27 Improved input clean up in Axes.{h|v}lines
            Coerce input into a 1D ndarrays (after dealing with units).
 
+2014-04-27 removed un-needed cast to float in stem
+
 2014-04-22 Added an example showing the difference between
            interpolation = 'none' and interpolation = 'nearest' in
            `imshow()` when saving vector graphics files.
@@ -18,6 +20,10 @@
 2014-04-08 Fixed a bug in parasite_axes.py by making a list out
            of a generator at line 263.
 
+2014-02-25 In backend_qt4agg changed from using update -> repaint under
+	   windows.  See comment in source near `self._priv_update` for
+	   longer explaination.
+
 2014-03-27 Added tests for pie ccw parameter. Removed pdf and svg images
            from tests for pie linewidth parameter.
 
diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
@@ -2263,7 +2263,7 @@ def stem(self, *args, **kwargs):
         self.hold(True)
 
         # Assume there's at least one data array
-        y = np.asarray(args[0], dtype=np.float)
+        y = np.asarray(args[0])
         args = args[1:]
 
         # Try a second one
