log.warn -> log.warning in application.py

IPython/core/application.py

@@ -289,7 +289,7 b' class BaseIPythonApplication(Application):'
             except ConfigFileNotFound:
                 # Only warn if the default config file was NOT being used.
                 if config_file_name in self.config_file_specified:
-                    msg = self.log.warn
+                    msg = self.log.warning
                 else:
                     msg = self.log.debug
                 msg("Config file not found, skipping: %s", config_file_name)
@@ -297,7 +297,7 b' class BaseIPythonApplication(Application):'
                 # For testing purposes.
                 if not suppress_errors:
                     raise
-                self.log.warn("Error loading config file: %s" %
+                self.log.warning("Error loading config file: %s" %
                               self.config_file_name, exc_info=True)
 
     def init_profile_dir(self):
@@ -364,7 +364,7 b' class BaseIPythonApplication(Application):'
 
             cfg = self.config_file_name
             if path and os.path.exists(os.path.join(path, cfg)):
-                self.log.warn("Staging %r from %s into %r [overwrite=%s]"%(
+                self.log.warning("Staging %r from %s into %r [overwrite=%s]"%(
                         cfg, src, self.profile_dir.location, self.overwrite)
                 )
                 self.profile_dir.copy_config_file(cfg, path=path, overwrite=self.overwrite)
@@ -379,7 +379,7 b' class BaseIPythonApplication(Application):'
                 cfg = os.path.basename(fullpath)
                 if self.profile_dir.copy_config_file(cfg, path=path, overwrite=False):
                     # file was copied
-                    self.log.warn("Staging bundled %s from %s into %r"%(
+                    self.log.warning("Staging bundled %s from %s into %r"%(
                             cfg, self.profile, self.profile_dir.location)
                     )
 
@@ -389,7 +389,7 b' class BaseIPythonApplication(Application):'
         s = self.generate_config_file()
         fname = os.path.join(self.profile_dir.location, self.config_file_name)
         if self.overwrite or not os.path.exists(fname):
-            self.log.warn("Generating default config file: %r"%(fname))
+            self.log.warning("Generating default config file: %r"%(fname))
             with open(fname, 'w') as f:
                 f.write(s)
 
@@ -407,4 +407,3 b' class BaseIPythonApplication(Application):'
         self.load_config_file()
         # enforce cl-opts override configfile opts:
         self.update_config(cl_config)
-