diff --git a/clearml/task_parameters.py b/clearml/task_parameters.py
index f39b873f..e611a883 100644
--- a/clearml/task_parameters.py
+++ b/clearml/task_parameters.py
@@ -3,7 +3,7 @@
 from attr import validators
 
 
-__all__ = ['range_validator', 'param', 'percent_param', 'TaskParameters']
+__all__ = ["range_validator", "param", "percent_param", "TaskParameters"]
 
 
 def _canonize_validator(current_validator):
@@ -35,23 +35,15 @@ def range_validator(min_value, max_value):
     :param max_value: The maximum limit of the range, inclusive. None for no maximum limit.
     :return: A new range validator.
     """
+
     def _range_validator(instance, attribute, value):
-        if ((min_value is not None) and (value < min_value)) or \
-                ((max_value is not None) and (value > max_value)):
+        if ((min_value is not None) and (value < min_value)) or ((max_value is not None) and (value > max_value)):
             raise ValueError("{} must be in range [{}, {}]".format(attribute.name, min_value, max_value))
 
     return _range_validator
 
 
-def param(
-        validator=None,
-        range=None,
-        type=None,
-        desc=None,
-        metadata=None,
-        *args,
-        **kwargs
-):
+def param(validator=None, range=None, type=None, desc=None, metadata=None, *args, **kwargs):
     """
     A parameter inside a TaskParameters class.