Merge branch 'v0.11.0a_hotfix' into 'v0.11.0'

V0.11.0a hotfix

See merge request !5

fsleyes/version.py

@@ -18,7 +18,7 @@ also defined here, for working with FSLeyes version numbers.
 """
 
 
-__version__ = '0.11.0'
+__version__ = '0.11.0a'
 """Current version number, as a string. The FSLeyes version number consists
 of three numbers, separated by a period, which roughly obeys the Semantic
 Versioning conventions (http://semver.org/):

fsleyes/views/canvaspanel.py

@@ -952,7 +952,7 @@ def _screenshot(overlayList, displayCtx, canvasPanel):
         memoryDC.SelectObject(wx.NullBitmap)
 
         rgb = bmp.ConvertToImage().GetData()
-        rgb = np.fromstring(rgb, dtype=np.uint8)
+        rgb = np.frombuffer(rgb, dtype=np.uint8)
 
         data[:, :, :3] = rgb.reshape(height, width, 3)