Update app.py

app.py

@@ -135,6 +135,10 @@ Search Query: transformer architectures
 User Question: What is the history of the transformer model?
 Search Query: transformer model history
 """
+def clean_text(text):
+    cleaned = re.sub(r'[^\x00-\x7F]+', '', text)  # Remove non-ASCII chars
+    cleaned = re.sub(r'[^a-zA-Z0-9_\- ]', '', cleaned) #Then your original rule
+    return cleaned
 def to_query(provider,question):
     print(f"<question> = {question}")
     print(f"<query sytem> = {query_system}")
@@ -165,7 +169,7 @@ Search Query:
                 returns_streaming_generator=False,
                 print_output=False,
             )
-        return result
+        return clean_text(result)
     except Exception as e:
         # Custom exception handling
         raise CustomExceptionHandling(e, sys) from e
@@ -232,7 +236,7 @@ Document:
         retriever_system="""
         You are an AI assistant that answers questions based on below retrievered documents.
         
-Document:
+Documents:
 ---
 %s
 ---
@@ -297,7 +301,7 @@ Answer:
 # Create a chat interface
 demo = gr.ChatInterface(
     respond,
-    examples=[["What is the Transformer?"], ["Tell me About Huggingface."], ["How to upload dataset?"]],
+    examples=[["What is the Diffuser?"], ["Tell me About Huggingface."], ["How to upload dataset?"]],
     additional_inputs_accordion=gr.Accordion(
         label="⚙️ Parameters", open=False, render=False
     ),