Update app.py

app.py

@@ -4,7 +4,10 @@ import os
 
 def process(image: str, lang: str = 'eng') -> str:
     try:
-        result = pytesseract.image_to_string(image, lang=lang)
+        img = cv2.imread(image) 
+        gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY) 
+        threshold_img = cv2.threshold(gray, 0, 255, cv2.THRESH_BINARY + cv2.THRESH_OTSU)[1]
+        result = pytesseract.image_to_string(threshold_img, lang=lang)
         os.remove(image)
         return result
     except Exception as e: