diff --git a/dephell/converters/sdist.py b/dephell/converters/sdist.py
index b74d805a..ffc475f2 100644
--- a/dephell/converters/sdist.py
+++ b/dephell/converters/sdist.py
@@ -184,7 +184,7 @@ def _write_additional_files(self, *, tar, project, subdir):
                     name=str(tests_path),
                     arcname=subdir + tests_path.name,
                     filter=self._set_uid_gid,
-                    recursive=False
+                    recursive=False,
                 )
                 for path in subpaths:
                     if '__pycache__' not in str(path):  # exclude cache files
@@ -192,7 +192,7 @@ def _write_additional_files(self, *, tar, project, subdir):
                             name=str(path),
                             arcname=subdir + str(path),
                             filter=self._set_uid_gid,
-                            recursive=False
+                            recursive=False,
                         )
 
     def _write_content(self, tar, path: str, content) -> None: