Fix Gradio schema crash and pin compatible dependencies

app.py

@@ -82,7 +82,7 @@ with gr.Blocks(title="HighAccuracyMLPrep") as demo:
             
         with gr.Column():
             status_output = gr.Markdown(label="Diagnostics Report")
-            file_output = gr.File(label="Download Cleaned CSV Matrix")
+            file_output = gr.Textbox(label="Processed CSV Path", interactive=False)
             
     submit_btn.click(
         fn=process_and_train,

requirements.txt

@@ -1,7 +1,5 @@
 gradio==4.44.1
-gradio_client==1.3.0
-pydantic>=2.0.0,<2.9.0
-huggingface_hub<0.25.0
+huggingface_hub==0.25.2
 numpy
 pandas
 scikit-learn