Update prompts.py

IPython/core/prompts.py

@@ -1,26 +1,23 b''
 # -*- coding: utf-8 -*-
 """Being removed
 """
 
 from IPython.utils import py3compat
 
 class LazyEvaluate(object):
     """This is used for formatting strings with values that need to be updated
     at that time, such as the current time or working directory."""
     def __init__(self, func, *args, **kwargs):
         self.func = func
         self.args = args
         self.kwargs = kwargs
 
     def __call__(self, **kwargs):
         self.kwargs.update(kwargs)
         return self.func(*self.args, **self.kwargs)
 
     def __str__(self):
         return str(self())
-
-    def __unicode__(self):
-        return self.__str__()
-
+    
     def __format__(self, format_spec):
         return format(self(), format_spec)