diff --git a/learnware/client/container.py b/learnware/client/container.py
index 42729f4..e0a19a5 100644
--- a/learnware/client/container.py
+++ b/learnware/client/container.py
@@ -601,7 +601,7 @@ class LearnwaresContainer:
 
     def get_learnware_flags(self):
         return self.results
-    
+
     def get_learnwares_with_container(self):
         learnware_containers = [
             _learnware for _learnware, _result in zip(self.learnware_containers, self.results) if _result is True
diff --git a/learnware/client/learnware_client.py b/learnware/client/learnware_client.py
index fd52741..b06663e 100644
--- a/learnware/client/learnware_client.py
+++ b/learnware/client/learnware_client.py
@@ -397,7 +397,7 @@ class LearnwareClient:
         semantic_specification = (
             get_semantic_specification() if semantic_specification is None else semantic_specification
         )
-        
+
         assert LearnwareClient._check_semantic_specification(
             semantic_specification
         ), "Semantic specification check failed!"
diff --git a/learnware/market/base.py b/learnware/market/base.py
index 528cd46..8a2f445 100644
--- a/learnware/market/base.py
+++ b/learnware/market/base.py
@@ -70,7 +70,7 @@ class LearnwareMarket:
     def reload_market(self, **kwargs) -> bool:
         self.learnware_organizer.reload_market(**kwargs)
 
-    def check_learnware(self, zip_path: str, semantic_spec: dict, checker_names: List[str] = None, **kwargs) -> bool:        
+    def check_learnware(self, zip_path: str, semantic_spec: dict, checker_names: List[str] = None, **kwargs) -> bool:
         try:
             final_status = BaseChecker.NONUSABLE_LEARNWARE
             if len(checker_names):
diff --git a/learnware/market/classes.py b/learnware/market/classes.py
index 5e52ca2..27c5f1b 100644
--- a/learnware/market/classes.py
+++ b/learnware/market/classes.py
@@ -3,7 +3,8 @@ from ..learnware import Learnware
 from ..client.container import LearnwaresContainer
 from ..logger import get_module_logger
 
-logger = get_module_logger('market_classes')
+logger = get_module_logger("market_classes")
+
 
 class CondaChecker(BaseChecker):
     def __init__(self, inner_checker, **kwargs):