Fix Blocks initialization for Gradio 6.x

app.py

@@ -528,12 +528,10 @@ label, .label {
 """
 
 # Create the Gradio interface with dark theme
-demo = gr.Blocks(
+with gr.Blocks(
     css=custom_css,
-    title="Docs Navigator MCP - AI Documentation Assistant",
-)
-
-with demo:
+    title="Docs Navigator MCP - AI Documentation Assistant"
+) as demo:
     
     # Header with modern dark gradient
     gr.HTML("""

requirements.txt

@@ -1,6 +1,6 @@
-mcp[cli]>=0.1.0
 anthropic>=0.36.0
 python-dotenv>=1.0.1
 gradio==6.0.2
 huggingface-hub>=0.26.0
-PyPDF2>=3.0.0
+PyPDF2>=3.0.0
+mcp[cli]>=0.1.0