Core:Loader fix crash on invalid filehandle and img_pygame: fix

indentation closes #265

kivy/core/image/img_pygame.py

@@ -59,7 +59,7 @@ class ImageLoaderPygame(ImageLoaderBase):
                     Logger.warning(
                         'Image: Unable to convert image %r to rgba (was %r)' %
                         (filename, im.fmt))
-                raise
+                    raise
             im = imc
 
         # update internals

kivy/loader.py

@@ -183,7 +183,10 @@ class LoaderBase(object):
         except Exception:
             Logger.exception('Failed to load image <%s>' % filename)
             # close file when remote file not found or download error
-            close(_out_osfd)
+            try:
+                close(_out_osfd)
+            except OSError:
+                pass
             return self.error_image
         finally:
             if _out_filename != '':