fix pylint

omnisafe/common/statistics_tools.py

@@ -28,7 +28,7 @@ class StatisticsTools:
     """Analyze experiments results launched by experiment grid.
 
     Users can choose any parameters to compare the results.
-    Aimming to help users to find the best hyperparameters faster.
+    Aiming to help users to find the best hyperparameters faster.
     """
 
     def __init__(self) -> None:
@@ -122,7 +122,7 @@ def draw_graph(
             for k, v in img_name_cfgs.items():
                 update_dic(decompressed_img_name_cfgs, self.decompress_key(k, v[0]))
             save_name = (
-                param[:10]
+                param[:10]  # pylint: disable=undefined-loop-variable
                 + '---'
                 + decompressed_img_name_cfgs['env_id'][:30]
                 + ':::'
@@ -186,7 +186,7 @@ def make_config_groups(self, parameter, parameter_values: list, values: list, co
         group_config.pop('seed')
 
         # combine all possible combinations of other parameters
-        # fix them in a single graph and only vary values of parameter which is speicified by us
+        # fix them in a single graph and only vary values of parameter which is specified by us
         for pinned_config in self.dict_permutations(group_config):
             group_config.update(pinned_config)
             for compare_value in parameter_values_combination: