Polish GI-2026 docs and challenge patch robustness

Agent-Logs-Url: https://github.com/SushantGautam/MedVQA/sessions/c6c48a23-7ac1-454e-9621-61ada50e1d8c

Co-authored-by: SushantGautam <16721983+SushantGautam@users.noreply.github.com>

README.md

@@ -6,7 +6,7 @@ app_file: gradio_launcher.py
 # MedVQA
 
 A CLI tool used for multiple MedVQA competitions:
- [ImageCLEFmed-MEDVQA-GI-2025](https://github.com/simula/ImageCLEFmed-MEDVQA-GI-2025), [ImageCLEFmed-MEDVQA-GI-2026](https://github.com/simula/ImageCLEFmed-MEDVQA-GI-2026), [MediaEval-Medico-2025](https://github.com/simula/MediaEval-Medico-2025), and [MediaEval-Medico-2026](https://multimediaeval.github.io/editions/2026/tasks/medico/).
+[ImageCLEFmed-MEDVQA-GI-2025](https://github.com/simula/ImageCLEFmed-MEDVQA-GI-2025), [ImageCLEFmed-MEDVQA-GI-2026](https://github.com/simula/ImageCLEFmed-MEDVQA-GI-2026), [MediaEval-Medico-2025](https://github.com/simula/MediaEval-Medico-2025), and [MediaEval-Medico-2026](https://multimediaeval.github.io/editions/2026/tasks/medico/).
 
 ## Installation
 

medvqa/competitions/gi-2026/submission_portal.py

@@ -24,6 +24,7 @@ print("Account token used to connect to HuggingFace: ", whoami()['name'])
 
 
 SUBMISSION_REPO = "SimulaMet/medvqa-gi-2026-submissions"
+REFRESH_INTERVAL_SECONDS = 3600
 hub_path = None
 submissions = None
 last_submission_update_time = datetime.now(timezone.utc)
@@ -77,7 +78,7 @@ def filter_submissions(task_type, search_query):
 
 
 def display_submissions(task_type="all", search_query=""):
-    if submissions is None or ((datetime.now(timezone.utc) - last_submission_update_time).total_seconds() > 3600):
+    if submissions is None or ((datetime.now(timezone.utc) - last_submission_update_time).total_seconds() > REFRESH_INTERVAL_SECONDS):
         refresh_submissions()
     filtered_submissions = filter_submissions(task_type, search_query)
     return [[s["user"], s["task"], s["submitted_time"], s["public_score"]] for s in filtered_submissions]

medvqa/competitions/gi-2026/task_2.py

@@ -101,11 +101,14 @@ if os.environ.get("_MEDVQA_CHALLENGE_EVALUATE_FLAG_", "FALSE") == "TRUE":
             insert_idx = None
         new_block = [
             'from huggingface_hub import hf_hub_download',
-            'prompt_to_real = json.load(open(hf_hub_download("SimulaMet/Kvasir-VQA-private", "real_mapping", repo_type="dataset")))',
-            'jsons__ = json.load(open(hf_hub_download("SimulaMet/Kvasir-VQA-private", "imagen-test", repo_type="dataset")))',
+            'from pathlib import Path',
+            'prompt_to_real = json.loads(Path(hf_hub_download("SimulaMet/Kvasir-VQA-private", "real_mapping", repo_type="dataset")).read_text(encoding="utf-8"))',
+            'jsons__ = json.loads(Path(hf_hub_download("SimulaMet/Kvasir-VQA-private", "imagen-test", repo_type="dataset")).read_text(encoding="utf-8"))',
         ]
         if insert_idx is not None:
             lines[insert_idx:insert_idx] = new_block
+        else:
+            sys.exit("Expected `import requests` was not found in submission file for challenge patching.")
         code = "\n".join(lines)
         with open(challenge_path, "w", encoding="utf-8") as f:
             f.write(code)