An error occurred: module 'PyPDF2' has no attribute 'PdfReader'

[husk007]

List of PDF files:

1. aaa.pdf
2. bbb.pdf
   Enter PDF file number to convert to MP3 or enter "0" to exit: 1
   Select playback language: 1. English, 2. Polish, 3. Ukrainian, 4. Keep original.
   Enter language number: 2
   An error occurred: module 'PyPDF2' has no attribute 'PdfReader'
   Press any key to exit...