Update app.py

app.py

@@ -50,6 +50,7 @@ def inference(filepath, lang):
         # crop the region of interest (ROI)
         img = Image.open(filepath)
         #img = img[y0:y1, x0:x1]
+        width, height =img.size
         img = img.crop((max(0,x1-5), max(0,y1-5), min(x3+5,width), min(y3+5, height))) # crop the image
         img = process_input(img, config['dataset']['image_height'], 
                     config['dataset']['image_min_width'], config['dataset']['image_max_width'])