fix: check for http(s) prefix instead of bare string type for URL detection

2026-03-05 06:10:10 +00:00 · 2026-03-05 06:10:10 +00:00 · c171573a8f
commit c171573a8f
parent 657cdaa151
1 changed files with 2 additions and 1 deletions
--- a/studio/backend/utils/datasets/format_conversion.py
+++ b/studio/backend/utils/datasets/format_conversion.py
@ -350,7 +350,8 @@ def convert_to_vlm_format(
        return {"messages": messages}

    total = len(dataset)
-    has_urls = isinstance(next(iter(dataset))[image_column], str)
+    first_image = next(iter(dataset))[image_column]
+    has_urls = isinstance(first_image, str) and first_image.startswith(("http://", "https://"))

    # ── URL probe: 200 samples with parallel workers to estimate speed + failure rate ──
    PROBE_SIZE = 200