Fix python3 tests, remove ascii_lowercase object

Author: VladimirPal

flask_script/_compat.py

@@ -48,7 +48,6 @@ def reraise(tp, value, tb=None):
     get_next = lambda x: x.__next__
 
     input = input
-    from string import ascii_lowercase
 
 else:
     unichr = unichr
@@ -88,7 +87,6 @@ def encode_filename(filename):
         return filename
 
     input = raw_input
-    from string import lower as ascii_lowercase
 
 
 def with_metaclass(meta, *bases):

flask_script/cli.py

@@ -1,7 +1,8 @@
 # -*- coding: utf-8 -*-
 
 import getpass
-from ._compat import string_types, ascii_lowercase, input
+from ._compat import string_types, input
+
 
 def prompt(name, default=None):
     """
@@ -63,8 +64,7 @@ def prompt_bool(name, default=False, yes_choices=None, no_choices=None):
             return False
 
 
-def prompt_choices(name, choices, default=None, resolve=ascii_lowercase,
-                   no_choice=('none',)):
+def prompt_choices(name, choices, default=None, no_choice=('none',)):
     """
     Grabs user input from command line from set of provided choices.
 
@@ -87,8 +87,7 @@ def prompt_choices(name, choices, default=None, resolve=ascii_lowercase,
         _choices.append(choice)
 
     while True:
-        rv = prompt(name + ' - (%s)' % ', '.join(options), default)
-        rv = resolve(rv)
+        rv = prompt(name + ' - (%s)' % ', '.join(options), default).lower()
         if rv in no_choice:
             return None
         if rv in _choices or rv == default: