added warning() method to logger

diff --git a/sfa/util/sfalogging.py b/sfa/util/sfalogging.py
old mode 100755 (executable)
new mode 100644 (file)
index 3991d33..93e3073
--- a/sfa/util/sfalogging.py
+++ b/sfa/util/sfalogging.py
@@ -71,6 +71,10 @@ class _SfaLogger:
         
     def warn(self, msg):
         self.logger.warn(msg)
+
+    # some code is using logger.warn(), some is using logger.warning()
+    def warning(self, msg):
+        self.logger.warning(msg)
    
     def error(self, msg):
         self.logger.error(msg)