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pytesseract.pytesseract.TesseractError: (2, 'Usage: pytesseract [-l lang] input_file') Code Example
pytesseract tesseract is not installed 
#1. Install tesseract using windows installer available at: https://github.com/UB-Mannheim/tesseract/wiki

#2. Note the tesseract path from the installation.Default installation path at the time the time of this edit was: C:\Users\USER\AppData\Local\Tesseract-OCR. It may change so please check the installation path.

#3. pip install pytesseract

#4. Set the tesseract path in the script before calling image_to_string:

pytesseract.pytesseract.tesseract_cmd = r'C:\Users\USER\AppData\Local\Tesseract-OCR\tesseract.exe'
Source: stackoverflow.com
pytesseract.pytesseract.TesseractError: (2, 'Usage: pytesseract [-l lang] input_file') 
#Install tesseract using installer which is available at: 
#https://github.com/UB-Mannheim/tesseract/wiki
#install pytesseract using the folling command
#pip install pytesseract
#when every thing is ready
#set the tesseract path in the script
pytesseract.pytesseract.tesseract_cmd = r'C:\Users\USER\AppData\Local\Tesseract-OCR\tesseract.exe'
pytesseract 
pip install pytesseract
Source: pypi.org
pytesseract.pytesseract.TesseractNotFoundError: tesseract is not installed or it's not in your PATH. See README file for more information. 
sudo apt update
sudo apt install tesseract-ocr
sudo apt install libtesseract-dev
Source: stackoverflow.com



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