Update app.py

app.py

@@ -35,7 +35,10 @@ def call_llm(messages, model="deepseek/deepseek-chat-v3-0324:free", max_tokens=3
         "temperature": temperature,
         "stream": True
     }
+
     with requests.post(url, headers=headers, json=data, stream=True) as response:
+        content = ""
+        for line in response.iter_lines():
             if line:
                 decoded = line.decode("utf-8")
                 if decoded.startswith("data: "):
@@ -47,10 +50,9 @@ def call_llm(messages, model="deepseek/deepseek-chat-v3-0324:free", max_tokens=3
                             token = delta.get("content", "")
                             if token:
                                 content += token
-                                yield content
-                            yield content
-                        except:
-                            continue
+                                yield token  # Yield only the new token, not full content each time
+                        except json.JSONDecodeError:
+                            pass
 
 
 def get_sources(topic, domains=None):