Also delete references to reader in _path_from_reader

Author: jaraco

importlib_resources/_common.py

@@ -113,7 +113,6 @@ def as_file(path):
         # release the handle to the path and reader
         del reader
         del path
-        __import__('time').sleep(.5)
         yield local
 
 

importlib_resources/_py3.py

@@ -109,6 +109,8 @@ def _path_from_reader(reader, resource):
         return
     opener_reader = reader.open_resource(norm_resource)
     with _common._tempfile(opener_reader.read, suffix=norm_resource) as res:
+        del opener_reader
+        del reader
         yield res