Ringoio

Hiii ：) When I ran this code, this was a problem that held me back. In notebook [preprocess_cnas.ipynb,](https://github.com/schulter/EMOGI/blob/add-license-1/pancancer/mutfreq/preprocess_cnas.ipynb) there is one column says: `cna_blca_matrix = cna_sample_matrix.loc[:, cna_sample_matrix.columns.isin(blca_df_reindexed.columns)]` But it turns...