diff --git a/Tools/idle/History.py b/Tools/idle/History.py
deleted file mode 100644
index 3094173..0000000
--- a/Tools/idle/History.py
+++ /dev/null
@@ -1,73 +0,0 @@
-import string
-
-class History:
-
-    def __init__(self, text):
-        self.text = text
-        self.history = []
-        self.history_prefix = None
-        self.history_pointer = None
-        text.bind("<<history-previous>>", self.history_prev)
-        text.bind("<<history-next>>", self.history_next)
-
-    def history_next(self, event):
-        self.history_do(0)
-        return "break"
-
-    def history_prev(self, event):
-        self.history_do(1)
-        return "break"
-
-    def history_do(self, reverse):
-        nhist = len(self.history)
-        pointer = self.history_pointer
-        prefix = self.history_prefix
-        if pointer is not None and prefix is not None:
-            if self.text.compare("insert", "!=", "end-1c") or \
-               self.text.get("iomark", "end-1c") != self.history[pointer]:
-                pointer = prefix = None
-        if pointer is None or prefix is None:
-            prefix = self.text.get("iomark", "end-1c")
-            if reverse:
-                pointer = nhist
-            else:
-                pointer = -1
-        nprefix = len(prefix)
-        while 1:
-            if reverse:
-                pointer = pointer - 1
-            else:
-                pointer = pointer + 1
-            if pointer < 0 or pointer >= nhist:
-                self.text.bell()
-                if self.text.get("iomark", "end-1c") != prefix:
-                    self.text.delete("iomark", "end-1c")
-                    self.text.insert("iomark", prefix)
-                pointer = prefix = None
-                break
-            item = self.history[pointer]
-            if item[:nprefix] == prefix and len(item) > nprefix:
-                self.text.delete("iomark", "end-1c")
-                self.text.insert("iomark", item)
-                break
-        self.text.mark_set("insert", "end-1c")
-        self.text.see("insert")
-        self.text.tag_remove("sel", "1.0", "end")
-        self.history_pointer = pointer
-        self.history_prefix = prefix
-
-    def history_store(self, source):
-        source = string.strip(source)
-        if len(source) > 2:
-            self.history.append(source)
-        self.history_pointer = None
-        self.history_prefix = None
-
-    def recall(self, s):
-        s = string.strip(s)
-        self.text.tag_remove("sel", "1.0", "end")
-        self.text.delete("iomark", "end-1c")
-        self.text.mark_set("insert", "end-1c")
-        self.text.insert("insert", s)
-        self.text.see("insert")
-
diff --git a/Tools/idle/PyShell.py b/Tools/idle/PyShell.py
index e01cad8..bd095cf 100644
--- a/Tools/idle/PyShell.py
+++ b/Tools/idle/PyShell.py
@@ -275,7 +275,7 @@
     menu_specs.insert(len(menu_specs)-2, ("debug", "_Debug"))
 
     # New classes
-    from History import History
+    from IdleHistory import History
 
     def __init__(self, flist=None):
         self.interp = ModifiedInterpreter(self)
@@ -439,6 +439,9 @@
             return ""
         return line
 
+    def isatty(self):
+        return 1
+
     def cancel_callback(self, event):
         try:
             if self.text.compare("sel.first", "!=", "sel.last"):
@@ -634,6 +637,9 @@
     def flush(self):
         pass
 
+    def isatty(self):
+        return 1
+
 
 usage_msg = """\
 usage: idle.py [-c command] [-d] [-e] [-s] [-t title] [arg] ...