Fixed document-rag workspace problem (#866)

- Fixed document-rag workspace problem
- OpenAI text-completion processor now puts 'not-set' in the token
  if no token is set (new OpenAI library requires it to be set to
  something.
- Update tests

trustgraph-flow/trustgraph/model/text_completion/openai/llm.py

@@ -35,8 +35,8 @@ class Processor(LlmService):
         temperature = params.get("temperature", default_temperature)
         max_output = params.get("max_output", default_max_output)
 
-        if api_key is None:
-            raise RuntimeError("OpenAI API key not specified")
+        if not api_key:
+            api_key = "not-set"
 
         super(Processor, self).__init__(
             **params | {

trustgraph-flow/trustgraph/retrieval/document_rag/document_rag.py

@@ -122,7 +122,7 @@ class Query:
         for match in chunk_matches:
             if match.chunk_id:
                 try:
-                    content = await self.rag.fetch_chunk(match.chunk_id, self.workspace)
+                    content = await self.rag.fetch_chunk(match.chunk_id)
                     docs.append(content)
                     chunk_ids.append(match.chunk_id)
                 except Exception as e: