fix: typo

Author: l-loic

naas_python/domains/storage/adaptors/primary/SDKStorageAdaptor.py

@@ -82,7 +82,7 @@ def post_workspace_storage_object(self,
             )
             return response            
         else:
-            raise FileNotFoundError(f"File '{src_file}' does not exist.")
+            raise FileNotFoundError(f"File not found: {src_file}")
 
     def get_workspace_storage_object(self, 
         workspace_id: str = "", 

naas_python/domains/storage/adaptors/secondary/NaasStorageAPIAdaptor.py

@@ -38,7 +38,7 @@ def create_workspace_storage(self,
         workspace_id: str, 
         storage_name: Storage.__fields__['name']
     ) -> dict:
-        _url = f"{self.host}/workspace/{workspace_id}/storage"
+        _url = f"{self.host}/workspace/{workspace_id}/storage/"
 
         api_response = self.make_api_request(
             requests.post,
@@ -66,7 +66,7 @@ def delete_workspace_storage(self,
     def list_workspace_storage(self, 
         workspace_id: str,
     ) -> dict:
-        _url = f"{self.host}/workspace/{workspace_id}/storage"
+        _url = f"{self.host}/workspace/{workspace_id}/storage/"
 
         api_response = self.make_api_request(
             requests.get,
@@ -104,9 +104,10 @@ def delete_workspace_storage_object(self,
         )
         return self.__handle_response(api_response)
 
+    @BaseAPIAdaptor.service_status_decorator
     def generate_credentials(self, workspace_id :str, storage_name: str) -> dict:
 
-        _url = f"{self.host}/workspace/{workspace_id}/storage/credentials"
+        _url = f"{self.host}/workspace/{workspace_id}/storage/credentials/"
 
         api_response = self.make_api_request(
             requests.post,