{errorMessage='10y', errorType=KeyError, requestId=, stackTrace=["  File \"\/var\/lang\/lib\/python3.9\/importlib\/__init__.py\", line 127, in import_module\n    return _bootstrap._gcd_import(name[level:], package, level)\n","  File \"<frozen importlib._bootstrap>\", line 1030, in _gcd_import\n","  File \"<frozen importlib._bootstrap>\", line 1007, in _find_and_load\n","  File \"<frozen importlib._bootstrap>\", line 986, in _find_and_load_unlocked\n","  File \"<frozen importlib._bootstrap>\", line 680, in _load_unlocked\n","  File \"<frozen importlib._bootstrap_external>\", line 850, in exec_module\n","  File \"<frozen importlib._bootstrap>\", line 228, in _call_with_frames_removed\n","  File \"\/var\/task\/YieldCurve.py\", line 48, in <module>\n    main()\n","  File \"\/var\/task\/YieldCurve.py\", line 33, in main\n    strings[\"Spread\"] = \"{0:.1f}\".format(abs(data[\"10y\"]-data[\"02y\"])*100)\n"]}