diff --git a/toolium/test/utils/test_dataset_map_param_context.py b/toolium/test/utils/test_dataset_map_param_context.py
index c2fd6790..56fe259d 100644
--- a/toolium/test/utils/test_dataset_map_param_context.py
+++ b/toolium/test/utils/test_dataset_map_param_context.py
@@ -454,7 +454,8 @@ class Context(object):
     }
     dataset.behave_context = context
     assert map_param("[CONTEXT:list.cmsScrollableActions.-1.id]") == 'ask-for-negative'
-    
+
+
 def test_a_context_param_list_oob_index():
     """
     Verification of a list with an incorrect index (Out of bounds) as CONTEXT
diff --git a/toolium/test/utils/test_dataset_replace_param.py b/toolium/test/utils/test_dataset_replace_param.py
index 1a9dad29..04a3e742 100644
--- a/toolium/test/utils/test_dataset_replace_param.py
+++ b/toolium/test/utils/test_dataset_replace_param.py
@@ -439,29 +439,33 @@ def test_replace_param_partial_string_with_length():
     param = replace_param('parameter [STRING_WITH_LENGTH_5] is string')
     assert param == 'parameter aaaaa is string'
 
+
 def test_replace_param_json():
     test_json = '{"key": "value", "key_1": true}'
     param = replace_param(f'[JSON:{test_json}]')
     assert param == {"key": "value", "key_1": True}
 
-def test_replace_param_json():
-    param = replace_param(f'[REPLACE:https://url.com::https::http]')
+
+def test_replace_param_replace():
+    param = replace_param('[REPLACE:https://url.com::https::http]')
     assert param == "http://url.com"
-    param = replace_param(f'[REPLACE:https://url.com::https://]')
+    param = replace_param('[REPLACE:https://url.com::https://]')
     assert param == "url.com"
-    
+
+
 def test_replace_param_date():
-    param = replace_param(f'[DATE:1994-06-13T07:00:00::%d %m %Y]')
+    param = replace_param('[DATE:1994-06-13T07:00:00::%d %m %Y]')
     assert param == "13 06 1994"
-    param = replace_param(f'[DATE:1994-06-13T07:00:00::%d %b %Y]')
+    param = replace_param('[DATE:1994-06-13T07:00:00::%d %b %Y]')
     assert param == "13 JUN 1994"
-    param = replace_param(f'[DATE:1994-06-13T07:00:00::%H:%M]')
+    param = replace_param('[DATE:1994-06-13T07:00:00::%H:%M]')
     assert param == "07:00"
-    
+
+
 def test_replace_param_title():
-    param = replace_param(f'[TITLE:hola hola]')
+    param = replace_param('[TITLE:hola hola]')
     assert param == "Hola Hola"
-    param = replace_param(f'[TITLE:holahola]')
+    param = replace_param('[TITLE:holahola]')
     assert param == "Holahola"
-    param = replace_param(f'[TITLE:hOlA]')
-    assert param == "Hola"
\ No newline at end of file
+    param = replace_param('[TITLE:hOlA]')
+    assert param == "Hola"
diff --git a/toolium/utils/dataset.py b/toolium/utils/dataset.py
index c87d8697..a0d8ce1a 100644
--- a/toolium/utils/dataset.py
+++ b/toolium/utils/dataset.py
@@ -230,7 +230,7 @@ def _get_random_phone_number():
 
 
 def _format_date_spanish(date, date_expected_format, date_actual_format='%Y-%m-%dT%H:%M:%SZ', capitalize=True):
-    """_format_date_spanish 
+    """_format_date_spanish
     Format date to spanish
 
     :param str date: actual date
@@ -251,6 +251,7 @@ def _format_date_spanish(date, date_expected_format, date_actual_format='%Y-%m-%
 
     return formated_date
 
+
 def _replace_param_transform_string(param):
     """
     Transform param value according to the specified prefix.
@@ -292,8 +293,9 @@ def _replace_param_transform_string(param):
                 replace_param = params_to_replace[0].replace(param_to_replace, replace_param).replace('  ', ' ').replace('  ', ' ')
             elif type_mapping_match_group.group(1) == 'DATE':
                 params_to_replace = type_mapping_match_group.group(2).split('::')
-                date_actual_format='%Y/%m/%d %H:%M:%S'
-                replace_param = _format_date_spanish(params_to_replace[0], params_to_replace[1], date_actual_format, capitalize=False)
+                date_actual_format = '%Y/%m/%d %H:%M:%S'
+                replace_param = _format_date_spanish(params_to_replace[0], params_to_replace[1], date_actual_format,\
+                    capitalize=False)
             elif type_mapping_match_group.group(1) == 'TITLE':
                 replace_param = "".join(map(min, zip(type_mapping_match_group.group(2),
                                                      type_mapping_match_group.group(2).title())))
@@ -317,7 +319,7 @@ def _replace_param_date(param, language):
     def _date_matcher():
         return re.match(r'\[(NOW(?:\((?:.*)\)|)|TODAY)(?:\s*([\+|-]\s*\d+)\s*(\w+)\s*)?\]', param)
 
-    def _offset_datetime(amount, units): 
+    def _offset_datetime(amount, units):
         now = datetime.datetime.now(pytz.timezone('Europe/Madrid'))
         if not amount or not units:
             return now