Fixing bugs in BaseIPythonApplication.

* app_name -> name.
* config_file_paths is properly typed.

IPython/config/application.py

@@ -70,7 +70,7 b' class Application(SingletonConfigurable):'
 
     # The name of the application, will usually match the name of the command
     # line application
-    app_name = Unicode(u'application')
+    name = Unicode(u'application')
 
     # The description of the application that is printed at the beginning
     # of the help.

IPython/config/tests/test_application.py

@@ -47,7 +47,7 b' class Bar(Configurable):'
 
 class MyApp(Application):
 
-    app_name = Unicode(u'myapp')
+    name = Unicode(u'myapp')
     running = Bool(False, config=True,
                    help="Is the app running?")
     classes = List([Bar, Foo])
@@ -71,7 +71,7 b' class TestApplication(TestCase):'
 
     def test_basic(self):
         app = MyApp()
-        self.assertEquals(app.app_name, u'myapp')
+        self.assertEquals(app.name, u'myapp')
         self.assertEquals(app.running, False)
         self.assertEquals(app.classes, [MyApp,Bar,Foo])
         self.assertEquals(app.config_file, u'')

IPython/core/newapplication.py

@@ -43,7 +43,7 b' from IPython.utils.traitlets import Tuple, Unicode, Type'
 
 class BaseIPythonApplication(Application):
 
-    app_name = Unicode(u'ipython')
+    name = Unicode(u'ipython')
     description = Unicode(u'IPython: an enhanced interactive Python shell.')
     version = Unicode(release.version)
 
@@ -56,7 +56,7 b' class BaseIPythonApplication(Application):'
         os.path.join(get_ipython_package_dir(), u'config', u'profile')
     )
 
-    config_file_paths = Tuple(Unicode)
+    config_file_paths = Tuple(Unicode, Unicode, Unicode)
     def _config_file_paths_default(self):
         return (os.getcwdu(), self.ipython_dir, self.builtin_profile_dir)
 
@@ -125,7 +125,8 b' class BaseIPythonApplication(Application):'
                 self.log.warn("Config file not found, skipping: %s" %
                                self.config_file_name, exc_info=True)
         except:
-            if not suppress_errors:     # For testing purposes
+            # For testing purposes.
+            if not suppress_errors:
                 raise
             self.log.warn("Error loading config file: %s" %
                           self.config_file_name, exc_info=True)

docs/examples/core/appconfig.py

@@ -56,7 +56,7 b' class Bar(Configurable):'
 
 class MyApp(Application):
 
-    app_name = Unicode(u'myapp')
+    name = Unicode(u'myapp')
     running = Bool(False, config=True,
                    help="Is the app running?")
     classes = List([Bar, Foo])