Update app.py

app.py

@@ -15,7 +15,7 @@ def chat_with_pdf(content):
 
     data = {
         "stream": True,
-        "sourceId": "src_REdjHAwIpm8Lhuk2HAtnm",  # Replace with your source ID
+        "sourceId": "cha_REdjHAwIpm8Lhuk2HAtnm",  # Replace with your source ID
         "messages": [
             {
                 "role": "user",