codestyle fix after merge.

Author: atollk

fs/copy.py

@@ -398,7 +398,6 @@ def _copy_is_necessary(
 
     elif condition == "newer":
         try:
-            namespace = ("details",)
             src_modified = src_fs.getmodified(src_path)
             dst_modified = dst_fs.getmodified(dst_path)
         except ResourceNotFound:
@@ -412,7 +411,6 @@ def _copy_is_necessary(
 
     elif condition == "older":
         try:
-            namespace = ("details",)
             src_modified = src_fs.getmodified(src_path)
             dst_modified = dst_fs.getmodified(dst_path)
         except ResourceNotFound: