hasher initialization fixed

Author: jkamelin

tools/model_tools/src/openvino/model_zoo/download_engine/cache.py

@@ -106,7 +106,7 @@ class ChecksumSHA384(Checksum):
     RE_SHA384SUM = re.compile(r'[0-9a-fA-F]{96}')
 
     def __init__(self, value):
-        self.type = hashlib.sha384()
+        self.type = hashlib.sha384
         self.value = value
 
     @classmethod

tools/model_tools/src/openvino/model_zoo/download_engine/downloader.py

@@ -86,7 +86,7 @@ def _try_download(self, reporter, file, start_download, size, hasher):
                     file.seek(0)
                     file.truncate()
                     progress.size = 0
-                    progress.hasher = hasher
+                    progress.hasher = hasher()
 
                 self._process_download(reporter, chunk_iterable, size, progress, file)