change filename

utils/code_sandbox.py

@@ -65,10 +65,10 @@ def code_eval(code_snippet: str) -> tuple[dict, str]:
         build_logs = ""
         sb = modal.Sandbox.create(app=app, timeout=60)
 
-    with sb.open("/tmp/code.py", "w") as f:
+    with sb.open("/tmp/solution.py", "w") as f:
         f.write(code_snippet)
 
-    proc = sb.exec("python", "/tmp/code.py")
+    proc = sb.exec("python", "/tmp/solution.py")
     proc.wait()
     error = proc.returncode != 0