Update app.py

app.py

@@ -77,8 +77,11 @@ def extract_ocr_text_from_pdf(pdf_path):
     from pdf2image import convert_from_path
     images = convert_from_path(pdf_path)
 
+    text= ""
+    
     for image in images:
         text += pytesseract.image_to_string(image,lang='vie')
+        
     return text
     
 @app.post("/uploadfile/")