diff --git a/V5.py b/V5.py
index f395e0e..5745db6 100644
--- a/V5.py
+++ b/V5.py
@@ -1,6 +1,4 @@
-from app import app, db
-from app.models.users import User, Guest, Member, Group, GroupPrivilege
-from app.models.topic import Topic
+from app import app
 
 
 @app.shell_context_processor
diff --git a/app/forms/account.py b/app/forms/account.py
index 3115ddb..72b22c5 100644
--- a/app/forms/account.py
+++ b/app/forms/account.py
@@ -1,9 +1,8 @@
 from flask_wtf import FlaskForm
 from wtforms import StringField, PasswordField, BooleanField, TextAreaField, SubmitField, DecimalField, SelectField
 from wtforms.fields.html5 import DateField, EmailField
-from wtforms.validators import DataRequired, InputRequired, Optional, Email, EqualTo
+from wtforms.validators import DataRequired, Optional, Email, EqualTo
 from flask_wtf.file import FileField  # Cuz' wtforms' FileField is shitty
-from app.models.trophies import Trophy
 import app.utils.validators as vd
 
 
diff --git a/app/forms/forum.py b/app/forms/forum.py
index c9ab038..01480ff 100644
--- a/app/forms/forum.py
+++ b/app/forms/forum.py
@@ -1,7 +1,6 @@
 from flask_wtf import FlaskForm
-from wtforms import StringField, FormField, SubmitField, TextAreaField, \
-    MultipleFileField
-from wtforms.validators import DataRequired, Length, Optional
+from wtforms import StringField, SubmitField, TextAreaField, MultipleFileField
+from wtforms.validators import DataRequired, Length
 import app.utils.validators as vd
 
 class CommentForm(FlaskForm):
diff --git a/app/models/forum.py b/app/models/forum.py
index 48aaffc..d661b4b 100644
--- a/app/models/forum.py
+++ b/app/models/forum.py
@@ -16,8 +16,8 @@ class Forum(db.Model):
 
     # Relationships
     parent_id = db.Column(db.Integer, db.ForeignKey('forum.id'), nullable=True)
-    parent    = db.relationship('Forum', backref='sub_forums', remote_side=id,
-                    lazy=True, foreign_keys=parent_id)
+    parent = db.relationship('Forum', backref='sub_forums', remote_side=id,
+        lazy=True, foreign_keys=parent_id)
 
     # Other fields populated automatically through relations:
     #   <topics>   List of topics in this exact forum (of type Topic)
diff --git a/app/models/post.py b/app/models/post.py
index 88daabb..0f6dc2c 100644
--- a/app/models/post.py
+++ b/app/models/post.py
@@ -1,5 +1,4 @@
 from app import db
-from app.models.users import User
 from datetime import datetime
 
 
diff --git a/app/models/program.py b/app/models/program.py
index ef762f2..8ce6095 100644
--- a/app/models/program.py
+++ b/app/models/program.py
@@ -16,8 +16,8 @@ class Program(Post):
     # TODO: Compatible calculator models
 
     thread_id = db.Column(db.Integer,db.ForeignKey('thread.id'),nullable=False)
-    thread    = db.relationship('Thread', foreign_keys=thread_id,
-                back_populates='owner_program')
+    thread = db.relationship('Thread', foreign_keys=thread_id,
+        back_populates='owner_program')
 
     # TODO: Number of views, statistics, attached files, etc
 
diff --git a/app/models/thread.py b/app/models/thread.py
index 6b62341..e623fee 100644
--- a/app/models/thread.py
+++ b/app/models/thread.py
@@ -10,11 +10,11 @@ class Thread(db.Model):
 
     # Top comment
     top_comment_id = db.Column(db.Integer, db.ForeignKey('comment.id'))
-    top_comment    = db.relationship('Comment', foreign_keys=top_comment_id)
+    top_comment = db.relationship('Comment', foreign_keys=top_comment_id)
 
     # Post owning the thread, set only by Topic, Program, etc. In general, you
     # should use [owner_post] which groups them together.
-    owner_topic   = db.relationship('Topic')
+    owner_topic = db.relationship('Topic')
     owner_program = db.relationship('Program')
 
     # Other fields populated automatically through relations:
diff --git a/app/models/topic.py b/app/models/topic.py
index 4afe5db..1dcd8a8 100644
--- a/app/models/topic.py
+++ b/app/models/topic.py
@@ -16,19 +16,19 @@ class Topic(Post):
     # Post that the topic was promoted into. If this is not None, then the
     # topic was published into a project and a redirection should be emitted
     promotion_id = db.Column(db.Integer,db.ForeignKey('post.id'),nullable=True)
-    promotion    = db.relationship('Post', foreign_keys=promotion_id)
+    promotion = db.relationship('Post', foreign_keys=promotion_id)
 
     # Topic title
     title = db.Column(db.Unicode(128))
 
     # Parent forum
     forum_id = db.Column(db.Integer, db.ForeignKey('forum.id'), nullable=False)
-    forum    = db.relationship('Forum',
-        backref=backref('topics', lazy='dynamic'),foreign_keys=forum_id)
+    forum = db.relationship('Forum',
+        backref=backref('topics', lazy='dynamic'), foreign_keys=forum_id)
 
     # Associated thread
     thread_id = db.Column(db.Integer,db.ForeignKey('thread.id'),nullable=False)
-    thread    = db.relationship('Thread', foreign_keys=thread_id,
+    thread = db.relationship('Thread', foreign_keys=thread_id,
                 back_populates='owner_topic')
 
     # Number of views in the forum
diff --git a/app/models/users.py b/app/models/users.py
index 63493c2..40c45de 100644
--- a/app/models/users.py
+++ b/app/models/users.py
@@ -1,5 +1,4 @@
 from datetime import date
-from flask import flash
 from flask_login import UserMixin
 from sqlalchemy import func as SQLfunc
 from os.path import isfile
@@ -10,12 +9,10 @@ from app.models.privs import SpecialPrivilege, Group, GroupMember, \
 from app.models.trophies import Trophy, TrophyMember, Title
 from app.models.notification import Notification
 import app.utils.unicode_names as unicode_names
-from app.utils.notify import notify
 import app.utils.ldap as ldap
 from config import V5Config
 
 import werkzeug.security
-import re
 import math
 import app
 import os
@@ -78,8 +75,7 @@ class Member(User):
 
     # Primary attributes (needed for the system to work)
     name = db.Column(db.Unicode(User.NAME_MAXLEN), index=True)
-    norm = db.Column(db.Unicode(User.NAME_MAXLEN), index=True,
-        unique=True)
+    norm = db.Column(db.Unicode(User.NAME_MAXLEN), index=True, unique=True)
     email = db.Column(db.Unicode(120), index=True, unique=True)
     email_confirmed = db.Column(db.Boolean)
     password_hash = db.Column(db.String(255))
@@ -107,7 +103,7 @@ class Member(User):
 
     # Displayed title, if set
     title_id = db.Column(db.Integer, db.ForeignKey('title.id'), nullable=True)
-    title    = db.relationship('Title', foreign_keys=title_id)
+    title = db.relationship('Title', foreign_keys=title_id)
 
     # Settings
     newsletter = db.Column(db.Boolean, default=False)
@@ -158,7 +154,7 @@ class Member(User):
         if SpecialPrivilege.query.filter_by(mid=self.id, priv=priv).first():
             return True
         return db.session.query(Group, GroupPrivilege).filter(
-            Group.id.in_([ g.id for g in self.groups ]),
+            Group.id.in_([g.id for g in self.groups]),
             GroupPrivilege.gid==Group.id,
             GroupPrivilege.priv==priv).first() is not None
 
diff --git a/app/processors/menu.py b/app/processors/menu.py
index eae5737..d7b2007 100644
--- a/app/processors/menu.py
+++ b/app/processors/menu.py
@@ -3,9 +3,7 @@ from app.forms.login import LoginForm
 from app.forms.search import SearchForm
 from app.models.forum import Forum
 from app.models.topic import Topic
-from app.models.thread import Thread
-from app.models.comment import Comment
-from app.models.users import Member
+
 
 @app.context_processor
 def menu_processor():
diff --git a/app/processors/utilities.py b/app/processors/utilities.py
index ad6dbde..7200fb8 100644
--- a/app/processors/utilities.py
+++ b/app/processors/utilities.py
@@ -9,7 +9,7 @@ def utilities_processor():
     return dict(
         len=len,
         # enumerate=enumerate,
-        _url_for = lambda route, args, **other: url_for(route, **args, **other),
-        V5Config = V5Config,
+        _url_for=lambda route, args, **other: url_for(route, **args, **other),
+        V5Config=V5Config,
         slugify=slugify,
     )
diff --git a/app/routes/development.py b/app/routes/development.py
index 0cbad14..f4f4cc0 100644
--- a/app/routes/development.py
+++ b/app/routes/development.py
@@ -9,7 +9,7 @@ import os
 
 @app.route('/avatar/<filename>')
 def avatar(filename):
-    filename = secure_filename(filename) # No h4ckers allowed
+    filename = secure_filename(filename)  # No h4ckers allowed
     filepath = os.path.join(V5Config.DATA_FOLDER, "avatars", filename)
     if os.path.isfile(filepath):
         return send_file(filepath)
diff --git a/app/routes/forum/index.py b/app/routes/forum/index.py
index 892ad90..8843824 100644
--- a/app/routes/forum/index.py
+++ b/app/routes/forum/index.py
@@ -72,7 +72,7 @@ def forum_page(f, page=1):
 
         # Update member's xp and trophies
         if current_user.is_authenticated:
-            current_user.add_xp(2) # 2 points for a topic
+            current_user.add_xp(2)  # 2 points for a topic
             current_user.update_trophies('new-post')
 
         flash('Le sujet a bien été créé', 'ok')
diff --git a/app/routes/forum/topic.py b/app/routes/forum/topic.py
index f3ab5ec..d150c65 100644
--- a/app/routes/forum/topic.py
+++ b/app/routes/forum/topic.py
@@ -53,7 +53,7 @@ def forum_topic(f, page):
 
         # Update member's xp and trophies
         if current_user.is_authenticated:
-            current_user.add_xp(1) # 1 point for a comment
+            current_user.add_xp(1)  # 1 point for a comment
             current_user.update_trophies('new-post')
 
         flash('Message envoyé', 'ok')
diff --git a/app/utils/converters.py b/app/utils/converters.py
index 7fb7a81..3caae7b 100644
--- a/app/utils/converters.py
+++ b/app/utils/converters.py
@@ -20,8 +20,7 @@ from werkzeug.routing import BaseConverter, ValidationError
 from app.models.forum import Forum
 from app.models.topic import Topic
 from slugify import slugify
-import re
-import sys
+
 
 class ForumConverter(BaseConverter):
 
diff --git a/app/utils/filesize.py b/app/utils/filesize.py
index 56e900e..888afff 100644
--- a/app/utils/filesize.py
+++ b/app/utils/filesize.py
@@ -1,5 +1,5 @@
 import os
-from random import getrandbits
+
 
 def filesize(file):
     """Return the filesize. Save in /tmp and delete it when done"""
diff --git a/app/utils/ldap.py b/app/utils/ldap.py
index c3d21fb..4e62639 100644
--- a/app/utils/ldap.py
+++ b/app/utils/ldap.py
@@ -1,9 +1,11 @@
 import ldap
 from ldap.modlist import addModlist, modifyModlist
+from app.utils.unicode_names import normalize
 from config import V5Config
 
 def get_member(username):
-    """ Get informations about member. Username must be normalized! """
+    """ Get informations about member"""
+    username = normalize(username)  # Never safe enough
     conn = ldap.initialize("ldap://localhost")
     # Search for user
     r = conn.search_s(V5Config.LDAP_ORGANIZATION, ldap.SCOPE_SUBTREE,
@@ -17,13 +19,15 @@ def get_member(username):
 def edit(user, fields):
     """ Edit a user. Fields is {'name': ['value'], …} """
     conn = ldap.initialize("ldap://localhost")
+    # TODO: do this
     # Connect as root
-    # conn.simple_bind_s(f'cn=ldap-root,{LDAP_ORGANIZATION}', LDAP_PASSWORD)
+    # conn.simple_bind_s(f'cn=ldap-root,{V5Config.LDAP_ORGANIZATION}',
+    #     V5Config.LDAP_PASSWORD)
     # old_value = {"userPassword": ["my_old_password"]}
     # new_value = {"userPassword": ["my_new_password"]}
 
-    modlist = ldap.modlist.modifyModlist(old_value, new_value)
-    con.modify_s(dn, modlist)
+    # modlist = modifyModlist(old_value, new_value)
+    # conn.modify_s(dn, modlist)
 
 
 def set_email(user, email):
diff --git a/app/utils/notify.py b/app/utils/notify.py
index 2a98dc8..86d9f80 100644
--- a/app/utils/notify.py
+++ b/app/utils/notify.py
@@ -1,6 +1,6 @@
 from app import db
 from app.models.notification import Notification
-# from app.models.users import Member
+from app.models.users import Member
 
 def notify(user, message, href=None):
     """ Notify a user (by id, name or object reference) with a message.
diff --git a/app/utils/render.py b/app/utils/render.py
index f2f9f75..262944f 100644
--- a/app/utils/render.py
+++ b/app/utils/render.py
@@ -1,7 +1,4 @@
 from flask import render_template
-from app.forms.login import LoginForm
-from app.forms.search import SearchForm
-from app.models.forum import Forum
 
 def render(*args, styles=[], scripts=[], **kwargs):
     # TODO: debugguer cette merde : au logout, ça foire
diff --git a/app/utils/validators/__init__.py b/app/utils/validators/__init__.py
index b93b9e6..c02d089 100644
--- a/app/utils/validators/__init__.py
+++ b/app/utils/validators/__init__.py
@@ -74,7 +74,7 @@ def password(form, password):
             "abcdefghijklmnopqrstuvwxyz",
             "ABCDFEGHIJKLMNOPQRSTUVWXYZ",
             "0123456789",
-            " !\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~§", # OWASP special chars
+            " !\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~§",  # OWASP special chars
             "áàâéèêíìîóòôúùûç",
         ]
         used = set()
diff --git a/app/utils/validators/file.py b/app/utils/validators/file.py
index fd1f743..c120ef6 100644
--- a/app/utils/validators/file.py
+++ b/app/utils/validators/file.py
@@ -12,7 +12,7 @@ def count(form, files):
     if current_user.is_authenticated:
         if current_user.priv("no-upload-limits"):
             return
-        if len(files.data) > 100: # 100 files for a authenticated user
+        if len(files.data) > 100:  # 100 files for a authenticated user
             raise ValidationError("100 fichiers maximum autorisés")
     else:
         if len(files.data) > 3:
@@ -20,11 +20,11 @@ def count(form, files):
 
 def extension(form, files):
     valid_extensions = [
-        "g[123][a-z]|cpa|c1a|fxi|cat|mcs|xcp|fls", # Casio files
-        "png|jpg|jpeg|bmp|tiff|gif|xcf", # Images
-        "[ch](pp|\+\+|xx)?|s|py|bide|lua|lc", # Source code
-        "txt|md|tex|pdf|odt|ods|docx|xlsx", # Office files
-        "zip|7z|tar|bz2?|t?gz|xz|zst", # Archives
+        "g[123][a-z]|cpa|c1a|fxi|cat|mcs|xcp|fls",  # Casio files
+        "png|jpg|jpeg|bmp|tiff|gif|xcf",  # Images
+        "[ch](pp|\+\+|xx)?|s|py|bide|lua|lc",  # Source code
+        "txt|md|tex|pdf|odt|ods|docx|xlsx",  # Office files
+        "zip|7z|tar|bz2?|t?gz|xz|zst",  # Archives
     ]
     r = re.compile("|".join(valid_extensions), re.IGNORECASE)
     errors = []
@@ -44,10 +44,10 @@ def size(form, files):
     if current_user.is_authenticated:
         if current_user.priv("no-upload-limits"):
             return
-        if size > 5e6: # 5 Mo per comment for an authenticated user
+        if size > 5e6:  # 5 Mo per comment for an authenticated user
             raise ValidationError("Fichiers trop lourds (max 5 Mo)")
     else:
-        if size > 500e3: # 500 ko per comment for a guest
+        if size > 500e3:  # 500 ko per comment for a guest
             raise ValidationError("Fichiers trop lourds (max 500 ko)")
 
 def namelength(form, files):
diff --git a/master.py b/master.py
index 5e617c8..f03ccc8 100755
--- a/master.py
+++ b/master.py
@@ -3,16 +3,16 @@
 from app import app, db
 from app.models.users import Member, Group, GroupPrivilege
 from app.models.privs import SpecialPrivilege
-from app.models.trophies import Trophy, Title, TrophyMember
+from app.models.trophies import Trophy, Title
 from app.models.forum import Forum
 from app.utils import unicode_names
 import os
 import sys
 import yaml
-import readline
 import slugify
 from PIL import Image
 
+
 help_msg = """
 This is the Planète Casio master shell. Type 'exit' or C-D to leave.
 
@@ -186,7 +186,7 @@ def create_trophies():
     print(f"Created {len(tr)} trophies.")
 
     # Create their icons in /app/static/images/trophies
-    names = [ slugify.slugify(t["name"]) for t in tr ]
+    names = [slugify.slugify(t["name"]) for t in tr]
     src = os.path.join(app.root_path, "data", "trophies.png")
     dst = os.path.join(app.root_path, "static", "images", "trophies")