Unable to build on Linux Mint 18.3 after following install instructions

After downloading all dependencies, and following install instructions, sudo python3 setup.pt install gives the following result:
running install
running build
running build_py
running egg_info
writing requirements to lector.egg-info/requires.txt
writing top-level names to lector.egg-info/top_level.txt
writing lector.egg-info/PKG-INFO
writing dependency_links to lector.egg-info/dependency_links.txt
writing entry points to lector.egg-info/entry_points.txt
reading manifest file 'lector.egg-info/SOURCES.txt'
writing manifest file 'lector.egg-info/SOURCES.txt'
running install_lib
byte-compiling /usr/local/lib/python3.5/dist-packages/lector/models.py to models.cpython-35.pyc
  File "/usr/local/lib/python3.5/dist-packages/lector/models.py", line 176
    return f'{d}d'
                 ^
SyntaxError: invalid syntax

byte-compiling /usr/local/lib/python3.5/dist-packages/lector/contentwidgets.py to contentwidgets.cpython-35.pyc
  File "/usr/local/lib/python3.5/dist-packages/lector/contentwidgets.py", line 298
    f'{extension_string} (*.png *.jpg *.bmp)')
                                            ^
SyntaxError: invalid syntax

byte-compiling /usr/local/lib/python3.5/dist-packages/lector/library.py to library.cpython-35.pyc
  File "/usr/local/lib/python3.5/dist-packages/lector/library.py", line 135
    tooltip_string = f'{title} \n{author_string}: {author} \n{year_string}: {str(year)}'
                                                                                       ^
SyntaxError: invalid syntax

byte-compiling /usr/local/lib/python3.5/dist-packages/lector/__main__.py to __main__.cpython-35.pyc
  File "/usr/local/lib/python3.5/dist-packages/lector/__main__.py", line 484
    f'{ebooks_string} ({self.available_parsers})')
                                                ^
SyntaxError: invalid syntax

byte-compiling /usr/local/lib/python3.5/dist-packages/lector/definitionsdialog.py to definitionsdialog.cpython-35.pyc
  File "/usr/local/lib/python3.5/dist-packages/lector/definitionsdialog.py", line 85
    self.pronounceButton.setToolTip(f'Pronounce "{word_root}"')
                                                             ^
SyntaxError: invalid syntax

byte-compiling /usr/local/lib/python3.5/dist-packages/lector/guifunctions.py to guifunctions.cpython-35.pyc
  File "/usr/local/lib/python3.5/dist-packages/lector/guifunctions.py", line 30
    icon_path = f':/images/{icon_theme}/{image_name}.svg'
                                                        ^
SyntaxError: invalid syntax

byte-compiling /usr/local/lib/python3.5/dist-packages/lector/metadatadialog.py to metadatadialog.cpython-35.pyc
  File "/usr/local/lib/python3.5/dist-packages/lector/metadatadialog.py", line 104
    tooltip_string = f'{title} \n{author_string}: {author} \n{year_string}: {str(year)}'
                                                                                       ^
SyntaxError: invalid syntax

byte-compiling /usr/local/lib/python3.5/dist-packages/lector/sorter.py to sorter.cpython-35.pyc
  File "/usr/local/lib/python3.5/dist-packages/lector/sorter.py", line 172
    print(f'{os.path.basename(filename)} is already in database')
                                                               ^
SyntaxError: invalid syntax

byte-compiling /usr/local/lib/python3.5/dist-packages/lector/widgets.py to widgets.cpython-35.pyc
  File "/usr/local/lib/python3.5/dist-packages/lector/widgets.py", line 513
    print(f'Database: Bookmark error for {title}. Recommend delete entry.')
                                                                         ^
SyntaxError: invalid syntax

byte-compiling /usr/local/lib/python3.5/dist-packages/lector/parsers/pdf.py to pdf.cpython-35.pyc
  File "/usr/local/lib/python3.5/dist-packages/lector/parsers/pdf.py", line 86
    contents = [(f'Page {i + 1}', i) for i in range(self.book.numPages())]
                               ^
SyntaxError: invalid syntax

byte-compiling /usr/local/lib/python3.5/dist-packages/lector/parsers/comicbooks.py to comicbooks.cpython-35.pyc
  File "/usr/local/lib/python3.5/dist-packages/lector/parsers/comicbooks.py", line 78
    contents = [(f'Page {count + 1}', i) for count, i in enumerate(self.image_list)]
                                   ^
SyntaxError: invalid syntax

byte-compiling /usr/local/lib/python3.5/dist-packages/lector/database.py to database.cpython-35.pyc
  File "/usr/local/lib/python3.5/dist-packages/lector/database.py", line 63
    self.database.execute(f"CREATE TABLE books ({column_string})")
                                                                ^
SyntaxError: invalid syntax

byte-compiling /usr/local/lib/python3.5/dist-packages/lector/ePub/read_epub.py to read_epub.cpython-35.pyc
  File "/usr/local/lib/python3.5/dist-packages/lector/ePub/read_epub.py", line 61
    print(f'{str(filename)} not found in {short_filename}')
                                                         ^
SyntaxError: invalid syntax

running install_data
running install_egg_info
removing '/usr/local/lib/python3.5/dist-packages/lector-0.4.1-py3.5.egg-info' (and everything under it)
Copying lector.egg-info to /usr/local/lib/python3.5/dist-packages/lector-0.4.1-py3.5.egg-info
running install_scripts
Installing lector script to /usr/local/bin
writing list of installed files to 'install.txt'
BasioMeusPuga / Lector

Unable to build on Linux Mint 18.3 after following install instructions #61
