Add minimal test demo

test_minimal.py

@@ -0,0 +1,28 @@
+"""
+Minimal test to verify Gradio works on Spaces
+"""
+import gradio as gr
+import os
+
+# Check if we're on Spaces
+IS_SPACES = (
+    os.getenv("SPACE_ID") is not None or 
+    os.getenv("SYSTEM") == "spaces" or
+    os.getenv("HF_SPACE_ID") is not None
+)
+
+# Create a minimal demo
+with gr.Blocks(title="Test Demo") as demo:
+    gr.Markdown("# Test Demo")
+    gr.Markdown("If you see this, Gradio is working!")
+    text_input = gr.Textbox(label="Test Input")
+    text_output = gr.Textbox(label="Test Output")
+    
+    def echo(text):
+        return f"You said: {text}"
+    
+    text_input.submit(echo, inputs=text_input, outputs=text_output)
+
+print(f"Demo created: {type(demo)}")
+print(f"IS_SPACES: {IS_SPACES}")
+