Fix ruff checks.

Author: iredmail

controllers/utils.py

@@ -1,6 +1,5 @@
 # Author: Zhang Huangbin <zhb@iredmail.org>
 
-import simplejson as json
 import web
 
 

libs/form_utils.py

@@ -371,7 +371,7 @@ def get_account_status(form,
                        to_integer=False):
     status = get_single_value(form, input_name=input_name, to_string=True)
 
-    if not (status in ['active', 'disabled']):
+    if status not in ['active', 'disabled']:
         status = default_value
 
     # SQL backends store the account status as `active=[1|0]`

libs/iredutils.py

@@ -568,7 +568,7 @@ def generate_random_strings(length=10) -> str:
             "23456789"
 
     s = ""
-    for x in range(length):
+    for _x in range(length):
         s += random.choice(chars)
 
     return s

libs/ldaplib/user.py

@@ -699,7 +699,7 @@ def update(profile_type, mail, form, conn=None):
         # Get preferred language: short lang code. e.g. en_US, de_DE.
         preferred_language = form_utils.get_language(form)
         # Must be equal to or less than 5 characters.
-        if not (preferred_language in iredutils.get_language_maps()):
+        if preferred_language not in iredutils.get_language_maps():
             preferred_language = None
 
         mod_attrs += ldaputils.mod_replace('preferredLanguage', preferred_language)