Rename exact_res to get_object_res for consistency

Author: yuxin00j

gcsfs/core.py

@@ -1091,9 +1091,9 @@ async def _info(self, path, generation=None, **kwargs):
             get_object_task, get_directory_info_task = tasks
 
             try:
-                exact_res = await get_object_task
-                if not _is_directory_marker(exact_res):
-                    return exact_res
+                get_object_res = await get_object_task
+                if not _is_directory_marker(get_object_res):
+                    return get_object_res
             except FileNotFoundError:
                 pass
             return await get_directory_info_task