Update app.py

app.py

@@ -26,11 +26,10 @@ def carregar_documento_pdf(path):
 # ⚙️ Pipeline com Mistral-7B (ótimo para chat)
 pipe = pipeline(
     "text-generation",
-    model="mistralai/Mistral-7B-v0.1",
+    model="TinyLlama/TinyLlama-1.1B-Chat-v1.0",
     max_new_tokens=512,
-    do_sample=True,
     temperature=0.7,
-    repetition_penalty=1.1
+    do_sample=True
 )
 llm = HuggingFacePipeline(pipeline=pipe)