Fix: Fixed minor PyLint warnings.

(Redmine issue: #3443)

lib/mentat/datatype/sqldb.py

@@ -595,7 +595,7 @@ class SettingsReportingModel(MODEL):  # pylint: disable=locally-disabled,too-few
     max_attachment_size = sqlalchemy.Column(sqlalchemy.Integer)
 
     def __repr__(self):
-        return "<SettingsReporting(id='%d',group_id='%d')>" % (self.id, self.group_id)
+        return "<SettingsReporting(id='%d',group_id='%d')>" % (int(self.id), int(self.group_id))
 
     def to_dict(self):
         """
@@ -896,7 +896,7 @@ def jsondiff(json_obj_a, json_obj_b):
     Calculate the difference between two model objects given as JSON strings.
     """
     return "\n".join(
-        [l for l in difflib.unified_diff(json_obj_a.split("\n"), json_obj_b.split("\n"))]
+        difflib.unified_diff(json_obj_a.split("\n"), json_obj_b.split("\n"))
     )
 
 def dictdiff(dict_obj_a, dict_obj_b):