Update merge.py

merge.py

@@ -87,7 +87,7 @@ def merge_folder(tensor_map, directory_path, p, lambda_val):
         raise "Could not find model files"
 
     for filename in os.listdir(directory_path):
-        file_path = os.path.join(directory_path, filename),
+        file_path = os.path.join(directory_path, filename)
         f, keys2 = read_tensors(file_path, ext)
         if keys2:
             common_keys = keys1.intersection(keys2)