fix(eval): change scipy version

Signed-off-by: Martyna Patelka <mpatelka@nvidia.com>

Author: mpatel31415

pyproject.toml

@@ -160,11 +160,13 @@ dependencies = [
     "mlflow-skinny>=3.15.1",
     "mlflow>=3.15.1",
 
-    # scipy: used by nemo_gym/reward_profile.py to compute t-distribution confidence
-    # intervals for repeat-level and aggregate reward metrics.
-    # Updated Tue Aug 18, 2026 with scipy>=1.18.0
+    # scipy: t-distribution confidence intervals for repeat-level reward metrics in
+    # nemo_gym/reward_profile.py. Lower bound is the first release with cp313 wheels;
+    # deliberately NOT >=1.18, which requires numpy>=2.0 and breaks servers pinned to
+    # numpy<2 (wmt_translation and osworld_agent, via unbabel-comet).
+    # Updated Tue Aug 18, 2026 with scipy>=1.14.1
     # License: BSD 3-Clause https://github.com/scipy/scipy/blob/main/LICENSE.txt
-    "scipy>=1.18.0",
+    "scipy>=1.14.1",
 
     # aiohttp: async http backend
     # Updated Sun Jun 29, 2026 with aiohttp>=3.14.1 (CVE mitigation)