Update textbox_with_upload.py

textbox_with_upload.py

@@ -3,10 +3,6 @@ import gradio as gr
 class TextboxWithUpload(gr.Textbox):
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
-        self.upload_button = None
-        self.add_upload_button()
-
-    def add_upload_button(self):
         self.upload_button = gr.UploadButton("📎", file_types=["text"], file_count="single")
         self.upload_button.upload(self.handle_upload, inputs=[self.upload_button], outputs=[self])
 
@@ -16,9 +12,6 @@ class TextboxWithUpload(gr.Textbox):
         return ""
 
     def render(self):
-        return self.render_with_upload_button()
-
-    def render_with_upload_button(self):
         textbox = super().render()
         upload_button = self.upload_button.render()
         return gr.Row([textbox, upload_button])