Update app.py

app.py

@@ -90,7 +90,7 @@ def run_script(url: str, height: int, width: int, check_b,check_h):
                     out = f'comb-{uid}-tmp.png'
             screenshot = obj.screenshot(f'{uid}-tmp.png')
         except WebDriverException as e:
-            return Image.new('RGB', (1, 1)), f'<center>{e}',out_box,out
+            return Image.new('RGB', (1, 1)), f'<center>Please enter a valid URL of a website/host.',out_box,out
         finally:
             if driver:
                 driver.quit()
@@ -119,4 +119,4 @@ with gr.Blocks() as app:
         outim = gr.Image()
 
     btn.click(run_script,[inp,height,width,check_b,check_h],[outim,message,outgal,out])
-app.launch()
+app.queue(default_concurrency_limit=5).launch()