Fix demo script.

Author: mcquin

bioformats/log4j.py

@@ -1,12 +1,14 @@
 # Python-bioformats is distributed under the GNU General Public
 # License, but this file is licensed under the more permissive BSD
 # license.  See the accompanying file LICENSE for details.
-# 
+#
 # Copyright (c) 2009-2014 Broad Institute
 # All rights reserved.
 
 import javabridge
 
 def basic_config():
     '''Configure logging for "WARN" level'''
-    javabridge.JClassWrapper("loci.common.Log4jTools").enableLogging("WARN")
+    log4j = javabridge.JClassWrapper("loci.common.Log4jTools")
+    log4j.enableLogging()
+    log4j.setRootLevel("WARN")

demo/demo.py

@@ -13,8 +13,13 @@
 try:
     log4j.basic_config()
     if len(sys.argv) < 2:
-        image_path = os.path.join(os.path.dirname(bioformats.__file__), 'tests',
-                                  'Channel1-01-A-01.tif')
+        image_path = os.path.join(
+            os.path.dirname(bioformats.__file__),
+            '..',
+            'tests',
+            'resources',
+            'Channel1-01-A-01.tif'
+        )
     else:
         image_path = sys.argv[1]
     image, scale = bioformats.load_image(image_path, rescale=False,