Merge branch 'main' of https://huggingface.co/spaces/Ekimetrics/climate-question-answering

app.py

@@ -100,11 +100,12 @@ def chat(
         sources = "\n\n".join(
             [f"query used for retrieval:\n{reformulated_query}"]
             + [
-                f"doc {i}: {d.meta['file_name']} page {d.meta['page_number']}\n{d.content}"
+                f"📃 doc {i}: {d.meta['file_name']} page {d.meta['page_number']}\n{d.content}"
                 for i, d in enumerate(docs, 1)
             ]
         )
 
+    if sources:
         messages.append({"role": "system", "content": f"{os.environ['sources']}\n\n{sources}"})
 
         response = openai.Completion.create(