bpo-21624: IDLE -- minor htest fixes (#2575)

Lib/idlelib/browser.py

@@ -215,7 +215,7 @@ class MethodBrowserTreeItem(TreeItem):
         edit = file_open(self.file)
         edit.gotoline(self.cl.methods[self.name])
 
-def _class_browser(parent): #Wrapper for htest
+def _class_browser(parent): # htest #
     try:
         file = __file__
     except NameError:

Lib/idlelib/config_key.py

@@ -293,5 +293,6 @@ class GetKeysDialog(Toplevel):
 if __name__ == '__main__':
     import unittest
     unittest.main('idlelib.idle_test.test_config_key', verbosity=2, exit=False)
+
     from idlelib.idle_test.htest import run
     run(GetKeysDialog)