Merge pull request #24 from kagent-dev/peterj/fixollamaendlessloop

set the final content to "" instead of [] -- this prevents endless lo…

Author: peterj

python/packages/autogen-ext/src/autogen_ext/models/ollama/_ollama_client.py

@@ -806,15 +806,21 @@ async def create_stream(
                 completion_tokens = chunk.eval_count
             else:
                 completion_tokens = 0
-        elif len(content_chunks) > 1:
+        elif len(content_chunks) > 0:
             content = "".join(content_chunks)
             if chunk and chunk.eval_count:
                 completion_tokens = chunk.eval_count
             else:
                 completion_tokens = 0
+        elif len(full_tool_calls) > 0:
+            content = full_tool_calls
+            completion_tokens = chunk.eval_count if chunk and chunk.eval_count else 0
+        elif normalize_stop_reason(stop_reason) == "stop":
+            content = ""
+            completion_tokens = 0
         else:
+            content = []
             completion_tokens = 0
-            content = full_tool_calls
 
         usage = RequestUsage(
             prompt_tokens=prompt_tokens,