Fix CI pipeline missing torch dependency by running pytest through sys.executable

ci/run_pipeline.py

@@ -9,7 +9,7 @@ def run_pytest():
     # We run pytest but redirect its output so we can check it and emit our own 
     # expected statements for the log
     result = subprocess.run(
-        ["pytest", "-q", "tests/test_vla_ci.py"],
+        [sys.executable, "-m", "pytest", "-q", "tests/test_vla_ci.py"],
         capture_output=True,
         text=True
     )

ci_artifacts/final_metrics.json

@@ -1,6 +1,6 @@
 {
-    "final_loss": 0.9485476016998291,
-    "norm_A_t": 5.581190586090088,
-    "norm_S_t": 1.7614206075668335,
-    "grad_norm": 0.12902027888321613
+    "final_loss": 0.9540719389915466,
+    "norm_A_t": 5.648736476898193,
+    "norm_S_t": 0.9176532626152039,
+    "grad_norm": 0.11061581882417802
 }