creating tests

app.py

@@ -1,41 +1,7 @@
 import gradio as gr
-from ingestion.pdf import process_pdf
-from rag.pipeline import run_rag
 
-vectorstore = None
+def echo(text):
+    return text
 
-def load_document(file):
-    global vectorstore
-    if file is None:
-        return "Please select a PDF file."
-    vectorstore = process_pdf(file.name)
-    return "Document processed successfully."
-
-def ask(question):
-    if vectorstore is None:
-        return "Upload a document first", "", ""
-    if not question.strip():
-        return "Please enter a question", "", ""
-    return run_rag(question, vectorstore)
-
-with gr.Blocks() as demo:
-    gr.Markdown("# Tech Explainer — RAG with Automatic Evaluation")
-    
-    file = gr.File(label="Upload PDF", file_types=[".pdf"])
-    load_btn = gr.Button("Process PDF")
-    status = gr.Textbox(label="Status")
-    
-    gr.Markdown("---")
-    
-    question = gr.Textbox(label="Question")
-    ask_btn = gr.Button("Ask")
-    
-    answer = gr.Textbox(label="Answer")
-    sources = gr.Textbox(label="Sources")
-    evaluation = gr.Textbox(label="Evaluation")
-    
-    load_btn.click(load_document, inputs=file, outputs=status)
-    ask_btn.click(ask, inputs=question, outputs=[answer, sources, evaluation])
-
-if __name__ == "__main__":
-    demo.launch()
+demo = gr.Interface(fn=echo, inputs="text", outputs="text")
+demo.launch()