Update app.py

app.py

@@ -1,10 +1,11 @@
 import gradio as gr
 import zxingcpp
+import numpy as np
 from PIL import Image
 
 import cv2
 
-def decode(im,col):
+def decode(im,col,tol):
     img = cv2.imread(f'{im}')
     gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
     blur = cv2.medianBlur(gray, 5)
@@ -48,9 +49,11 @@ with gr.Blocks() as app:
             in_im = gr.Image(label="QR Image to Decode",type='filepath')
             out_im = gr.Image(type='filepath')
         with gr.Column():
-            choose_color = gr.ColorPicker(label="Choose QR color (eyedropper)")
+            with gr.Row():
+                choose_color = gr.ColorPicker(label="Choose QR color (eyedropper)")
+                color_tol = gr.Slider(1,255, step=1,value=50,label="Color Detect Tolerance")
             dec_btn = gr.Button("Decode QR")
             text_out = gr.Textbox(label="Decoded Text")    
     
-    dec_btn.click(decode,[in_im,choose_color],[text_out,out_im])
+    dec_btn.click(decode,[in_im,choose_color,color_tol],[text_out,out_im])
 app.queue(concurrency_count=10).launch()