CLN: make sure we close the image file we open

tacaswell · tacaswell · commit 78f83175bc6d · 2015-06-14T16:39:24.000-04:00
In imread.pil_read the image file never gets explicitly closed.

This removes a warning from the tests.
diff --git a/lib/matplotlib/image.py b/lib/matplotlib/image.py
@@ -1260,7 +1260,9 @@ def pilread(fname):
         except ImportError:
             return None
         image = Image.open(fname)
-        return pil_to_array(image)
+        ret = pil_to_array(image)
+        image.close()
+        return ret
 
     handlers = {'png': _png.read_png, }
     if format is None:
