diff --git a/tiramisu/storage/sqlite3/setting.py b/tiramisu/storage/sqlite3/setting.py
index 5e722d3..0c61c08 100644
--- a/tiramisu/storage/sqlite3/setting.py
+++ b/tiramisu/storage/sqlite3/setting.py
@@ -24,8 +24,10 @@ class Settings(Cache):
     __slots__ = tuple()
 
     def __init__(self, storage):
-        settings_table = 'CREATE TABLE IF NOT EXISTS property(path text primary key, properties text)'
-        permissives_table = 'CREATE TABLE IF NOT EXISTS permissive(path text primary key, permissives text)'
+        settings_table = 'CREATE TABLE IF NOT EXISTS property(path text '
+        settings_table += 'primary key, properties text)'
+        permissives_table = 'CREATE TABLE IF NOT EXISTS permissive(path text '
+        permissives_table += 'primary key, permissives text)'
         # should init cache too
         super(Settings, self).__init__('property', storage)
         self.storage.execute(settings_table, commit=False)
@@ -33,19 +35,23 @@ class Settings(Cache):
 
     # propertives
     def setproperties(self, path, properties):
-        self.storage.execute("DELETE FROM property WHERE path = ?", (path,), False)
-        self.storage.execute("INSERT INTO property(path, properties) VALUES (?, ?)",
-                             (path, self._sqlite_encode(properties)))
+        self.storage.execute("DELETE FROM property WHERE path = ?", (path,),
+                             False)
+        self.storage.execute("INSERT INTO property(path, properties) VALUES "
+                             "(?, ?)", (path,
+                                        self._sqlite_encode(properties)))
 
     def getproperties(self, path, default_properties):
-        value = self.storage.select("SELECT properties FROM property WHERE path = ?", (path,))
+        value = self.storage.select("SELECT properties FROM property WHERE "
+                                    "path = ?", (path,))
         if value is None:
             return set(default_properties)
         else:
             return set(self._sqlite_decode(value[0]))
 
     def hasproperties(self, path):
-        return self.storage.select("SELECT properties FROM property WHERE path = ?", (path,)) is not None
+        return self.storage.select("SELECT properties FROM property WHERE "
+                                   "path = ?", (path,)) is not None
 
     def reset_all_propertives(self):
         self.storage.execute("DELETE FROM property")
@@ -57,23 +63,30 @@ class Settings(Cache):
         """return all properties in a dictionary
         """
         ret = {}
-        for path, properties in self.storage.select("SELECT * FROM property", only_one=False):
+        for path, properties in self.storage.select("SELECT * FROM property",
+                                                    only_one=False):
             if path == '_none':
                 opt = None
             else:
-                opt = context.cfgimpl_get_description().impl_get_opt_by_path(path)
+                opt = context.cfgimpl_get_description().impl_get_opt_by_path(
+                    path)
             properties = self._sqlite_decode(properties)
             ret[opt] = properties
         return ret
 
     # permissive
     def setpermissive(self, path, permissive):
-        self.storage.execute("DELETE FROM permissive WHERE path = ?", (path,), False)
-        self.storage.execute("INSERT INTO permissive(path, permissives) VALUES (?, ?)",
-                             (path, self._sqlite_encode(permissive)))
+        self.storage.execute("DELETE FROM permissive WHERE path = ?", (path,),
+                             False)
+        self.storage.execute("INSERT INTO permissive(path, permissives) "
+                             "VALUES (?, ?)", (path,
+                                               self._sqlite_encode(permissive)
+                                               ))
 
     def getpermissive(self, path='_none'):
-        permissives = self.storage.select("SELECT permissives FROM permissive WHERE path = ?", (path,))
+        permissives = self.storage.select("SELECT permissives FROM "
+                                          "permissive WHERE path = ?",
+                                          (path,))
         if permissives is None:
             return frozenset()
         else:
diff --git a/tiramisu/storage/sqlite3/value.py b/tiramisu/storage/sqlite3/value.py
index 525c899..4905fba 100644
--- a/tiramisu/storage/sqlite3/value.py
+++ b/tiramisu/storage/sqlite3/value.py
@@ -28,14 +28,16 @@ class Values(Cache):
     def __init__(self, storage):
         """init plugin means create values storage
         """
-        values_table = 'CREATE TABLE IF NOT EXISTS value(path text primary key, value text, owner text)'
+        values_table = 'CREATE TABLE IF NOT EXISTS value(path text primary '
+        values_table += 'key, value text, owner text)'
         # should init cache too
         super(Values, self).__init__('value', storage)
         self.storage.execute(values_table)
 
     # sqlite
     def _sqlite_select(self, path):
-        return self.storage.select("SELECT value FROM value WHERE path = ?", (path,))
+        return self.storage.select("SELECT value FROM value WHERE path = ?",
+                                   (path,))
 
     # value
     def setvalue(self, path, value, owner):
@@ -43,8 +45,9 @@ class Values(Cache):
         a specified value must be associated to an owner
         """
         self.resetvalue(path)
-        self.storage.execute("INSERT INTO value(path, value, owner) VALUES (?, ?, ?)",
-                             (path, self._sqlite_encode(value), str(owner)))
+        self.storage.execute("INSERT INTO value(path, value, owner) VALUES "
+                             "(?, ?, ?)", (path, self._sqlite_encode(value),
+                                           str(owner)))
 
     def getvalue(self, path):
         """get value for an option
@@ -68,7 +71,8 @@ class Values(Cache):
         example: {option1: (owner, 'value1'), option2: (owner, 'value2')}
         """
         ret = {}
-        for path, value, owner in self.storage.select("SELECT value", only_one=False):
+        for path, value, owner in self.storage.select("SELECT value",
+                                                      only_one=False):
             opt = context.cfgimpl_get_description().impl_get_opt_by_path(path)
             owner = getattr(owners, owner)
 
@@ -80,13 +84,15 @@ class Values(Cache):
     def setowner(self, path, owner):
         """change owner for an option
         """
-        self.storage.execute("UPDATE value SET owner = ? WHERE path = ?", (str(owner), path))
+        self.storage.execute("UPDATE value SET owner = ? WHERE path = ?",
+                             (str(owner), path))
 
     def getowner(self, path, default):
         """get owner for an option
         return: owner object
         """
-        owner = self.storage.select("SELECT owner FROM value WHERE path = ?", (path,))
+        owner = self.storage.select("SELECT owner FROM value WHERE path = ?",
+                                    (path,))
         if owner is None:
             return default
         else: