Fix windows WeAI instructions

instructions_windows_weai.tex

@@ -52,7 +52,7 @@
 \usepackage[color=blue, author={Christof Kaufmann}]{attachfile2} % load after hyperref to avoid option clash from unicode=true
 
 \title{Installation of Python via Mambaforge for Windows}
-\date{December 2022}
+\date{April 2023}
 \author{Christof Kaufmann}
 
 % one infinite page, https://tex.stackexchange.com/a/19241/115883
@@ -104,14 +104,10 @@ Now we are ready to install the packages we need.
 
 Let's create a new environment called \textit{weai} and add the packages we need to it (copy \& paste black text lines):
 \begin{lstlisting}[gobble=2, basicstyle=\ttfamily\footnotesize]
-  #*\color{gray}(base) C:\textbackslash Users\textbackslash john>*mamba create -n weai astunparse matplotlib scikit-learn ^
-                                            absl-py ipympl jupyter h5py spyder ^
-                                            numpy gast=0.4 wrapt protobuf=3.19 ^
-                                            notebook typing-extensions seaborn ^
-                                            termcolor google-pasta grpcio mypy ^
-                                            tensorboard=2.10 odfpy keras=2.10 ^
-                                            keras-preprocessing libclang ^
-                                            flatbuffers=1.12 opt_einsum openpyxl
+  #*\color{gray}(base) C:\textbackslash Users\textbackslash john>*mamba create -n weai python=3.9 astunparse matplotlib ^
+                                            ipympl mypy jupyter notebook spyder ^
+                                            scikit-learn seaborn openpyxl odfpy ^
+                                            pyarrow pandas
 \end{lstlisting}
 You will get a list of packages and can confirm with \keyenter. Installation takes a while. Since \lstinline|tensorflow| is not yet available for Windows on \texttt{conda-forge}, we need to install it from \textit{PyPI} using \lstinline|pip| into the \textit{weai} environment:
 \begin{lstlisting}[gobble=2, basicstyle=\ttfamily\footnotesize]