diff --git a/earthdaily/earthdatastore/__init__.py b/earthdaily/earthdatastore/__init__.py
index 42141519..b93e27a3 100644
--- a/earthdaily/earthdatastore/__init__.py
+++ b/earthdaily/earthdatastore/__init__.py
@@ -224,14 +224,14 @@ def _get_client(config=None, presign_urls=True):
         A PySTAC client for interacting with the Earth Data Store STAC API.
 
     """
-    
+
     if isinstance(config, tuple):  # token
         token, eds_url = config
         logging.log(level=logging.INFO, msg="Using token to reauth")
     else:
         if isinstance(config, dict):
             config = config.get
-        elif isinstance(config,str) and config.endswith('.json'):
+        elif isinstance(config, str) and config.endswith(".json"):
             config = json.load(open(config, "rb")).get
         token, eds_url = _get_token(config, presign_urls)