type syntax

martindurant · Feb 22, 2024 · 5cfa17c · 5cfa17c
1 parent 1264072
commit 5cfa17c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/fsspec/implementations/data.py b/fsspec/implementations/data.py
@@ -1,5 +1,6 @@
 import base64
 import io
+from typing import Optional
 from urllib.parse import unquote
 
 from fsspec import AbstractFileSystem
@@ -49,7 +50,7 @@ def _open(
         return io.BytesIO(self.cat_file(path))
 
     @staticmethod
-    def encode(data: bytes, mime: str | None = None):
+    def encode(data: bytes, mime: Optional[str] = None):
         """Format the given data into data-URL syntax
 
         This version always base64 encodes, even when the data is ascii/url-safe.