Update main.py

main.py

@@ -184,6 +184,8 @@ async def __ocr(im, file_id):
     out = pytesseract.image_to_string(f"{file_id}.png", lang="vie", config=r'--psm 4')
     os.remove(f"{file_id}.png")
 
+    return out
+
 async def __convert2md(inp):
     # Use gfm-raw_html to strip styling data from source file
     return await __convert_text(inp.encode(), "gfm-raw_html", "html")