log.war deprecated

IPython/core/profiledir.py

@@ -118,7 +118,7 b' class ProfileDir(LoggingConfigurable):'
         src = os.path.join(get_ipython_package_dir(), u'core', u'profile', u'README_STARTUP')
 
         if not os.path.exists(src):
-            self.log.warn("Could not copy README_STARTUP to startup dir. Source file %s does not exist.", src)
+            self.log.warning("Could not copy README_STARTUP to startup dir. Source file %s does not exist.", src)
 
         if os.path.exists(src) and not os.path.exists(readme):
             shutil.copy(src, readme)