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README.md

@@ -4,7 +4,7 @@ emoji: 📊
 colorFrom: green
 colorTo: gray
 sdk: gradio
-sdk_version: 5.9.1
+sdk_version: 4.42.0
 app_file: app.py
 pinned: true
 license: mit

app.py

@@ -59,7 +59,7 @@ def refresh_kb():
 #  TAB 1 — UPLOAD & EXTRACT
 # ═══════════════════════════════════════════════════
 
-def run_extraction(pdf_files, progress=gr.Progress()):
+def run_extraction(pdf_files, progress=gr.Progress(track_tqdm=True)):
     """Full extraction pipeline for uploaded PDFs."""
     if not pdf_files:
         return "⚠️ No PDFs uploaded.", ""
@@ -242,7 +242,7 @@ def run_backtests(
     strategy_filter,
     max_strategies,
     viable_only_push,
-    progress=gr.Progress(),
+    progress=gr.Progress(track_tqdm=True),
 ):
     if not cfg.HF_TICK_REPO:
         return "❌ HF_TICK_REPO secret not set.", ""

requirements.txt

@@ -1,9 +1,12 @@
-# Gradio 5.x + huggingface_hub 0.26.x are compatible
-# gradio 4.x broke because HfFolder was removed from huggingface_hub>=0.24
-gradio==5.9.1
-huggingface_hub==0.26.5
-datasets>=2.20.0
+# Pinned to last known-good compatible pair.
+# gradio 4.42.0 needs huggingface_hub < 0.24 (HfFolder still exists there).
+# gradio 5.x introduced a gradio_client bug with dict-typed components.
+gradio==4.42.0
+huggingface_hub==0.23.4
+gradio_client==0.9.0
+
 anthropic>=0.30.0
+datasets>=2.20.0
 
 # PDF processing
 pypdf>=4.2.0