diff --git a/autospec/tarball.py b/autospec/tarball.py
index 139b7b65..e1145328 100644
--- a/autospec/tarball.py
+++ b/autospec/tarball.py
@@ -24,8 +24,8 @@
 import sys
 import tarfile
 import zipfile
-import zstandard as zstd
 
+import zstandard as zstd
 import download
 from util import do_regex, get_sha1sum, print_fatal, write_out
 
@@ -83,7 +83,7 @@ def set_tar_prefix(self):
         else:
             print_fatal("Not a valid tar file.")
             sys.exit(1)
-    
+
     def set_zst_prefix(self):
         """Determine prefix folder name of tar.zst file."""
         with tarfile.open(fileobj=zstd.open(self.path, 'rb'), mode='r|') as content:
@@ -146,6 +146,7 @@ def extract_zst(self, extraction_path):
         with tarfile.open(fileobj=zstd.open(self.path, 'rb'), mode='r|') as content:
             content.extractall(path=extraction_path)
 
+
 def convert_version(ver_str, name):
     """Remove disallowed characters from the version."""
     # banned substrings. It is better to remove these here instead of filtering