raise TesseractNotFound

[WuHuaJi0]

I download this library , and import it to my program . But , when I use the function :
image_to_string()
it broke by a error :

Traceback (most recent call last):
  File "/home/jwc.py", line 48, in <module>
    getNum()
  File "/home/jwc.py", line 43, in getNum
    text = image_to_string(out)
  File "/home/pytesser.py", line 77, in image_to_string
    check_path() #Check if tesseract available in the path
  File "/home/pytesser.py", line 44, in check_path
    raise TesseractNotFound
pytesser.TesseractNotFound

i don't have idea . so i wanner what's wrong and how to fix it ?

[RobinDavid]

The tesseract binary is not in your path. This module is just a python interface for tesseract. Is which tesseract showing you where it is ? If not the binary is probably not installed.

[WuHuaJi0]

Thank for you answer ，I found it need tesseact first , i installed ,then this problem solved.