--- a/sat_frontends/jp/base.py	Thu Nov 12 14:53:15 2020 +0100
+++ b/sat_frontends/jp/base.py	Thu Nov 12 14:53:16 2020 +0100
@@ -234,25 +234,19 @@
             for cache_data in cache:
                 await cache_data[0](*cache_data[1:])
 
-    def disp(self, msg, verbosity=0, error=False, no_lf=False):
+    def disp(self, msg, verbosity=0, error=False, end='\n'):
         """Print a message to user
 
         @param msg(unicode): message to print
         @param verbosity(int): minimal verbosity to display the message
         @param error(bool): if True, print to stderr instead of stdout
-        @param no_lf(bool): if True, do not emit line feed at the end of line
+        @param end(str): string appended after the last value, default a newline
         """
         if self.verbosity >= verbosity:
             if error:
-                if no_lf:
-                    print(msg, end=' ', file=sys.stderr)
-                else:
-                    print(msg, file=sys.stderr)
+                print(msg, end=end, file=sys.stderr)
             else:
-                if no_lf:
-                    print(msg, end=' ')
-                else:
-                    print(msg)
+                print(msg, end=end)
 
     async def output(self, type_, name, extra_outputs, data):
         if name in extra_outputs:
@@ -684,7 +678,7 @@
 
     async def ainput(self, msg=''):
         """Asynchronous version of buildin "input" function"""
-        self.disp(msg, no_lf=True)
+        self.disp(msg, end=' ')
         sys.stdout.flush()
         loop = asyncio.get_running_loop()
         stdin_fut = loop.create_future()
@@ -1150,8 +1144,8 @@
         """
         self.disp(_(f"Error while doing operation: {e}"), error=True)
 
-    def disp(self, msg, verbosity=0, error=False, no_lf=False):
-        return self.host.disp(msg, verbosity, error, no_lf)
+    def disp(self, msg, verbosity=0, error=False, end='\n'):
+        return self.host.disp(msg, verbosity, error, end)
 
     def output(self, data):
         try: