Fix nochat API

[pseudotensor]

============================================================================================================ short test summary info ============================================================================================================
FAILED tests/test_langchain_units.py::test_md_add - AssertionError: assert 'h2oGPT is a large language model' in 'bash\ngit clone https://github.com/h2oai/h2ogpt.git\ncd h2ogpt\npip install -r requirements.txt\npython generate.py --base_model=h2oai/h2ogpt-oig-oasst1-512-6_9b --load_8bit=...
FAILED tests/test_manual_test.py::test_chat_context - NotImplementedError: MANUAL TEST FOR NOW
FAILED tests/test_manual_test.py::test_upload_one_file - NotImplementedError: MANUAL TEST FOR NOW -- do and ask query of file
FAILED tests/test_manual_test.py::test_upload_multiple_file - NotImplementedError: MANUAL TEST FOR NOW -- do and ask query of files
FAILED tests/test_manual_test.py::test_upload_url - NotImplementedError: MANUAL TEST FOR NOW -- put in URL box https://github.com/h2oai/h2ogpt/ (and ask what is h2ogpt?). Ensure can go to source links
FAILED tests/test_manual_test.py::test_upload_arxiv - NotImplementedError: MANUAL TEST FOR NOW -- paste in arxiv:1706.03762 and ask who wrote attention paper. Ensure can go to source links
FAILED tests/test_manual_test.py::test_upload_pasted_text - NotImplementedError: MANUAL TEST FOR NOW -- do and see test code for what to try
FAILED tests/test_manual_test.py::test_no_db_dirs - NotImplementedError: MANUAL TEST FOR NOW -- Remove db_dirs, ensure can still start up and use in MyData Mode.
FAILED tests/test_manual_test.py::test_upload_unsupported_file - NotImplementedError: MANUAL TEST FOR NOW -- e.g. json, ensure error correct and reasonable, no cascades
FAILED tests/test_manual_test.py::test_upload_to_UserData_and_MyData - NotImplementedError: MANUAL TEST FOR NOW Upload to each when enabled, ensure no failures
FAILED tests/test_manual_test.py::test_chat_control - NotImplementedError: MANUAL TEST FOR NOW save chat, select chats, clear chat, export, import, etc.
FAILED tests/test_manual_test.py::test_subset_only - NotImplementedError: MANUAL TEST FOR NOW UserData, Select Only for subset, then put in whisper.  Ensure get back only chunks of data with url links to data sources.
=========================================================================== 12 failed, 61 passed, 25 skipped, 1 xfailed, 1 xpassed, 2 warnings in 1239.61s (0:20:39) ============================================================================
(h2ollm) jon@pseudotensor:~/h2o-llm$