Change path for `pdf_generation_toolbox.py`

    #  General preparation
    folder = path.realpath(path.dirname(__file__))
    italic_file = path.join(folder, "static", "Raleway-Italic.ttf")
    bold_file = path.join(folder, "static", "Raleway-Bold.ttf")
    regular_file = path.join(folder, "static", "Raleway-Regular.ttf")
    result_pdf = PDF()
    result_pdf.add_font('Raleway', 'I', italic_file)
    result_pdf.add_font('Raleway', 'B', blod_file)
    result_pdf.add_font('Raleway', '', regular_file)

    folder = os.path.realpath(os.path.dirname(__file__))
    italic_file = os.path.join(folder, "static", "Raleway-Italic.ttf")
    bold_file = os.path.join(folder, "static", "Raleway-Bold.ttf")
    regular_file = os.path.join(folder, "static", "Raleway-Regular.ttf")
    workflow_pdf = PDF()
    workflow_pdf.add_font('Raleway', 'I', italic_file)
    workflow_pdf.add_font('Raleway', 'B', bold_file)
    workflow_pdf.add_font('Raleway', '', regular_file)