diff --git a/misp_modules/modules/expansion/rbl.py b/misp_modules/modules/expansion/rbl.py
index 73f1b9b..4d7bba5 100644
--- a/misp_modules/modules/expansion/rbl.py
+++ b/misp_modules/modules/expansion/rbl.py
@@ -88,18 +88,18 @@ def handler(q=False):
     else:
         misperrors['error'] = "Unsupported attributes type"
         return misperrors
-    listed = []
-    info = []
+    listeds = []
+    infos = []
     ipRev = '.'.join(ip.split('.')[::-1])
     for rbl in rbls:
         query = '{}.{}'.format(ipRev, rbl)
         try:
             txt = resolver.query(query, 'TXT')
-            listed.append(query)
-            info.append([str(t) for t in txt])
+            listeds.append(query)
+            infos.append([str(t) for t in txt])
         except Exception:
             continue
-    result = "\n".join(["{}: {}".format(l, "  -  ".join(i)) for l, i in zip(listed, info)])
+    result = "\n".join([f"{listed}: {'  -  '.join(info)}" for listed, info in zip(listeds, infos)])
     if not result:
         return {'error': 'No data found by querying known RBLs'}
     return {'results': [{'types': mispattributes.get('output'), 'values': result}]}
diff --git a/misp_modules/modules/import_mod/csvimport.py b/misp_modules/modules/import_mod/csvimport.py
index e4dc2e5..3ea7c25 100644
--- a/misp_modules/modules/import_mod/csvimport.py
+++ b/misp_modules/modules/import_mod/csvimport.py
@@ -244,11 +244,11 @@ def __any_mandatory_misp_field(header):
 
 
 def __special_parsing(data, delimiter):
-    return list(tuple(l.strip() for l in line[0].split(delimiter)) for line in csv.reader(io.TextIOWrapper(io.BytesIO(data.encode()), encoding='utf-8')) if line and not line[0].startswith('#'))
+    return  list(tuple(part.strip() for part in line[0].split(delimiter)) for line in csv.reader(io.TextIOWrapper(io.BytesIO(data.encode()), encoding='utf-8')) if line and not line[0].startswith('#'))
 
 
 def __standard_parsing(data):
-    return list(tuple(l.strip() for l in line) for line in csv.reader(io.TextIOWrapper(io.BytesIO(data.encode()), encoding='utf-8')) if line and not line[0].startswith('#'))
+    return list(tuple(part.strip() for part in line) for line in csv.reader(io.TextIOWrapper(io.BytesIO(data.encode()), encoding='utf-8')) if line and not line[0].startswith('#'))
 
 
 def handler(q=False):
diff --git a/misp_modules/modules/import_mod/threatanalyzer_import.py b/misp_modules/modules/import_mod/threatanalyzer_import.py
index ff0a5b1..cbb9fef 100755
--- a/misp_modules/modules/import_mod/threatanalyzer_import.py
+++ b/misp_modules/modules/import_mod/threatanalyzer_import.py
@@ -99,7 +99,7 @@ def handler(q=False):
             results = process_analysis_json(json.loads(data.decode('utf-8')))
         except ValueError:
             log.warning('MISP modules {0} failed: uploaded file is not a zip or json file.'.format(request['module']))
-            return {'error': 'Uploaded file is not a zip or json file.'.format(request['module'])}
+            return {'error': 'Uploaded file is not a zip or json file.'}
             pass
     # keep only unique entries based on the value field
     results = list({v['values']: v for v in results}.values())