decreasing ask complexity

install.py

@@ -1,6 +1,5 @@
 #!/usr/bin/env python3
 import os
-import imp
 from sys import stderr, path
 from subprocess import Popen, PIPE
 from argparse import ArgumentParser
@@ -45,20 +44,24 @@ def can_npm():
     return bool(Popen(['which', 'npm'], stdout=PIPE).communicate()[0])
 
 
+def _print_line_informations(choices, default):
+    if choices:
+        print('[%s]' % '/'.join([chc.upper() if chc == default
+                                        or choices[chc] == default else chc
+                                 for chc in choices]), end=' ')
+    if default not in {'', None}:
+        if choices and default not in choices:
+            for new_default, value in choices.items():
+                if value == default:
+                    default = new_default
+                    break
+        print('(default: %r)' % default, end=' ')
+
+
 def ask(text, choices=[], default=None, cast=None):
     while True:
         print(text, end=' ')
-        if choices:
-            print('[%s]' % '/'.join([chc.upper() if chc == default
-                                            or choices[chc] == default else chc
-                                     for chc in choices]), end=' ')
-        if default not in {'', None}:
-            if choices and default not in choices:
-                for new_default, value in choices.items():
-                    if value == default:
-                        default = new_default
-                        break
-            print('(default: %r)' % default, end=' ')
+        _print_line_informations(choices, default)
         print(':', end=' ')
 
         result = input()