Update app.py

app.py

@@ -5,7 +5,12 @@ import os
 # -------------------------
 # Groq Client
 # -------------------------
-client = Groq(api_key=os.environ.get("GROQ_API_KEY"))
+API_KEY = os.getenv("GROQ_API_KEY")
+
+if not API_KEY:
+    raise RuntimeError("❌ Please set GROQ_API_KEY in your environment variables.")
+
+client = Groq(api_key=API_KEY)
 
 SYSTEM_PROMPT = """You are an expert in storyboarding.
 Provide structured, creative, and insightful responses about creating and refining storyboards.
@@ -13,18 +18,26 @@ Use clear sections, shots, and visual descriptions when possible.
 """
 
 # -------------------------
-# Chat Function (FIXED)
+# Chat Function (UPDATED)
 # -------------------------
 def respond(message, history, model, temperature, max_tokens):
-    if not message or message.strip() == "":
+
+    if message is None:
+        message = ""
+
+    message = message.strip()
+
+    if message == "":
         return history
 
+    # Start with system prompt
     messages = [{"role": "system", "content": SYSTEM_PROMPT}]
 
-    for user, assistant in history:
-        messages.append({"role": "user", "content": user})
-        messages.append({"role": "assistant", "content": assistant})
+    # Append previous conversation (NEW FORMAT)
+    for msg in history:
+        messages.append(msg)
 
+    # Add new user message
     messages.append({"role": "user", "content": message})
 
     try:
@@ -37,13 +50,17 @@ def respond(message, history, model, temperature, max_tokens):
 
         assistant_reply = response.choices[0].message.content
 
-        history.append((message, assistant_reply))
+        # Update history in NEW format
+        history.append({"role": "user", "content": message})
+        history.append({"role": "assistant", "content": assistant_reply})
+
         return history
 
     except Exception as e:
-        history.append((message, f"❌ Error: {str(e)}"))
+        history.append({"role": "assistant", "content": f"❌ Error: {str(e)}"})
         return history
 
+
 # -------------------------
 # Custom CSS
 # -------------------------
@@ -114,7 +131,7 @@ with gr.Blocks(css=custom_css) as demo:
             ex3 = gr.Button("📚 Romantic Bookstore Meet-Cute")
 
     # -------------------------
-    # Interactions (FIXED)
+    # Interactions
     # -------------------------
     send.click(
         respond,
@@ -138,4 +155,5 @@ with gr.Blocks(css=custom_css) as demo:
 # Launch
 # -------------------------
 if __name__ == "__main__":
-    demo.launch()
+    demo.queue().launch()
+