diff --git a/learnware/__init__.py b/learnware/__init__.py
index 44b678f..b27c55e 100644
--- a/learnware/__init__.py
+++ b/learnware/__init__.py
@@ -36,12 +36,12 @@ def init(verbose=True, **kwargs):
         with open(config_file, "r") as fin_config:
             C.update(**dict(json.load(fin_config)))
 
-    ## random seed
+    # random seed
     deterministic = kwargs.get("deterministic", True)
     if deterministic:
         setup_seed(C.random_seed)
 
-    ## make dirs
+    # make dirs
     mkdir = kwargs.get("mkdir", True)
     if mkdir:
         os.makedirs(C.root_path, exist_ok=True)
@@ -49,7 +49,7 @@ def init(verbose=True, **kwargs):
         os.makedirs(C.stdout_path, exist_ok=True)
         os.makedirs(C.cache_path, exist_ok=True)
 
-    ## ignore tensorflow warning
+    # ignore tensorflow warning
     tf_loglevel = kwargs.get("tf_loglevel", "2")
     os.environ["TF_CPP_MIN_LOG_LEVEL"] = tf_loglevel