Update app.py

app.py

@@ -12,11 +12,11 @@ NO_VNC_IFRAME = """
 </iframe>
 """
 
- def start_desktop():
+def start_desktop():
 
     return NO_VNC_IFRAME
 
- def run_shell(cmd):
+def run_shell(cmd):
 
     result = subprocess.run(
         cmd,
@@ -27,31 +27,31 @@ NO_VNC_IFRAME = """
     )
     return result.stdout + result.stderr
 
- def upload_file(file):
+def upload_file(file):
     dest_path = os.path.join(WORKDIR, os.path.basename(file.name))
     with open(dest_path, "wb") as f:
 
         f.write(file.read())
     return f"✅ Uploaded to: {dest_path}"
 
- with gr.Blocks(css="@import url('https://cdn.simplecss.org/simple.min.css');") as demo:
+with gr.Blocks(css="@import url('https://cdn.simplecss.org/simple.min.css');") as demo:
     gr.Markdown("# 🖥️ Offline Visual Sandbox (no API, no cost)")
 
-     with gr.Tab("Desktop"):
+    with gr.Tab("Desktop"):
         launch_btn = gr.Button("Launch Desktop")
         desktop_view = gr.HTML()
         launch_btn.click(start_desktop, outputs=desktop_view)
 
-     with gr.Tab("Shell"):
+    with gr.Tab("Shell"):
         cmd_input = gr.Textbox(label="Shell Command", placeholder="Try 'ls /home/user/workspace'")
         run_btn = gr.Button("Run")
         cmd_output = gr.Textbox(label="Command Output", lines=10)
         run_btn.click(run_shell, inputs=cmd_input, outputs=cmd_output)
 
-     with gr.Tab("Upload"):
+    with gr.Tab("Upload"):
         file_input = gr.File(label="Upload File")
         status_output = gr.Textbox(label="Upload Status")
         file_input.change(upload_file, inputs=file_input, outputs=status_output)
 
-     demo.launch(
+    demo.launch(
         server_name="0.0.0.0",