io.selective_input: replaced ellipsises with None

rx7/io.py

@@ -24,10 +24,10 @@ def wait_for_input(prompt="") -> str:
     return answer
 
 
-def selective_input(prompt:Any, choices:Iterable|Callable[[str],bool], default:Any=...,
+def selective_input(prompt:Any, choices:Iterable|Callable[[str],bool], default:Any=None,
                     *,
                     ignore_case:bool=False, invalid_message:Any='Invalid input',
-                    pre_action:Callable=...,post_action:Callable=...) -> str|Any:
+                    pre_action:Callable=None,post_action:Callable=None) -> str|Any:
     """Prompts for user input and waits until a acceptable input is given
 
     Args:
@@ -50,8 +50,8 @@ def selective_input(prompt:Any, choices:Iterable|Callable[[str],bool], default:A
     Returns:
         str|Any: user input as a string unless pre_action/post_action change the string type
     """
-    assert (callable(pre_action )  or  pre_action==...)
-    assert (callable(post_action)  or  post_action==...)
+    assert (callable(pre_action )  or  pre_action ==None)
+    assert (callable(post_action)  or  post_action==None)
     if not callable(choices):
         Choices = choices
         if type(choices) == dict:
@@ -60,7 +60,7 @@ def selective_input(prompt:Any, choices:Iterable|Callable[[str],bool], default:A
             Choices = [item.lower() for item in Choices if isinstance(item,str)]
     while True:
         inp = input(prompt)
-        if pre_action != ...:
+        if pre_action is not None:
             inp = pre_action(inp)
         inp = inp.lower() if ignore_case else inp
         if callable(choices):
@@ -85,7 +85,7 @@ def selective_input(prompt:Any, choices:Iterable|Callable[[str],bool], default:A
             inp = choices[inp]
         except KeyError:
             pass
-    if post_action != ...:
+    if post_action != None:
         inp = post_action(inp)
     return inp