Values can be none #433

2026-06-05 22:50:18 +00:00 · 2012-02-20 12:30:12 -05:00
parent fe10eeb5be
commit 4f75f1f41d
1 changed files with 2 additions and 0 deletions
@@ -154,6 +154,8 @@ def header_expand(headers):
        # latin-1 is the most conservative encoding used on the web. Anyone
        # who needs more can encode to a byte-string before calling
        return headers.encode("latin-1")
+    elif headers is None:
+        return headers

    for i, (value, params) in enumerate(headers):