Address python else if issue

acm.py

@@ -309,10 +309,11 @@ def list_files(ctx, context, sha256sum, suffix, print_identity):
         file = file.strip()
 
         if sha256sum:
-            stat = s3.stat_object(s3_bucket, obj)
-            sha256sum_value = stat.metadata[get_metadata_name("SHA256SUM")]
+            file_object = s3.get_object(s3_bucket, obj)
+            stored_data = json.load(file_object)
+            sha256sum_value = stored_data['sha256sum']
             file = f'{sha256sum_value}  {file}'
-        else if print_identity:
+        elif print_identity:
             file_object = s3.get_object(s3_bucket, obj)
             stored_data = json.load(file_object)
             found_files.append(stored_data['storedAssetIdentity'])