Update app.py

app.py

@@ -44,7 +44,14 @@ def bot(
     if not google_key:
         raise ValueError("GOOGLE_API_KEY is not set. Please set it up.")
 
-    text_prompt = chatbot[-2]["content"].strip() if len(chatbot) >= 2 and chatbot[-2]["content"] else None
+    raw_content = chatbot[-2]["content"] if len(chatbot) >= 2 else None
+    
+    if isinstance(raw_content, list):
+        text_prompt = " ".join(str(item) for item in raw_content)
+    else:
+        text_prompt = raw_content
+
+    text_prompt = text_prompt.strip() if text_prompt else None
 
     # Handle cases for text and/or image input
     if not text_prompt and not image_prompt:
@@ -76,6 +83,7 @@ def bot(
         yield chatbot
         return
 
+    # Stream the response
     chatbot[-1]["content"] = ""
     for chunk in response:
         for i in range(0, len(chunk.text), 10):