[Tex/LaTex] Table of contents error, using pylatex

table of contents

I'm getting an error with my table of contents. Rather than getting:

1 Section 1 -------- 1

I am getting 

black1 Section 1 --------1

I have no idea why. I suspect it might be because I am using pylatex to compile the latex script, which looks like this:

\documentclass{article}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage{lmodern}
\usepackage{geometry}
\usepackage{hyperref}
\usepackage{xcolor}
\usepackage{colortbl}
\usepackage{array}
\usepackage{graphicx}
\geometry{portrait, margin=1in,tmargin=1in}}
\hypersetup{colorlinks,citecolor=black,filecolor=black,linkcolor=black,urlcolor=black}
\renewcommand{\rmdefault}{phv} % Arial
\renewcommand{\sfdefault}{phv} % Arial
\begin{titlepage}

\begin{document}

\hfill \\ Project Name \\
Systems Performance Team \\
External Reference: XXXX \\
Internal Reference: TPREF-XXXXXXXX \\

\begin{center}
\uppercase{\Huge{Report Title}} \\
\uppercase{\Huge{Line}} \\
\end{center}

\end{titlepage}

\tableofcontents
\clearpage

\section{Section 1}
\footnotesize

Hello, testing this document business

\end{document}

Best Answer

You have a misplaced \begin{titlepage} that causes several errors, so the output is not really predictable.

Your code needs also some reshaping:

  1. hyperref should be loaded last
  2. instead of loading colortbl after xcolor, do \usepackage[table]{xcolor}
  3. \uppercase{\Huge{text}} is wrong; declare \Huge in advance and use \MakeUppercase; also remember that \Huge does not take an argument.
  4. The options to geometry and hyperref are better set in a line for each one, so they're better visible
\documentclass{article}
\usepackage{geometry}

\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage{lmodern}
\usepackage[table]{xcolor}% the correct way
\usepackage{array}
\usepackage{graphicx}

\usepackage{hyperref}

\geometry{
  portrait,
  margin=1in,
  tmargin=1in
}
\hypersetup{
  colorlinks,
  citecolor=black,
  filecolor=black,
  linkcolor=black,
  urlcolor=black
}

\renewcommand{\rmdefault}{phv} % Arial
\renewcommand{\sfdefault}{phv} % Arial


\begin{document}

\begin{titlepage}% <------  After \begin{document}

\vspace*{1cm} % or whatever

\begin{flushleft}
Project Name \\
Systems Performance Team \\
External Reference: XXXX \\
Internal Reference: TPREF-XXXXXXXX
\end{flushleft}

\vspace*{2cm} % or whatever

\begin{center}
\Huge
\MakeUppercase{Report Title} \\
\MakeUppercase{Line}
\end{center}

\end{titlepage}

\tableofcontents
\clearpage

\section{Section 1}
\footnotesize

Hello, testing this document business

\end{document}
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