fix SettingWithCopyWarning pandas dataframe

CHANGELOG.md

@@ -12,6 +12,7 @@ All notable changes to this project will be documented in this file.
 * all worklows are merged into a single one
 * results subfolders are generated automatically
 * unique scripts, rules and envs folders
+* Fix SettingWithCopyWarning pandas dataframe
 
 ### Removed
 

Snakefile

@@ -221,7 +221,7 @@ listChunks = [*range(1,(config['illuminapairedend']['nb_chunk']+1))]
 
 
 ## keep only marker and run information for demultiplexing
-dfRunMarker=dfrm[['marker','run']]
+dfRunMarker=dfrm.loc[:, ( 'marker','run')]
 dfRunMarker['runMarker']=str_join(dfrm, '/', 'marker', 'run')
 dfRunMarker['projMarker']=str_join(dfrm, '/', 'projet', 'marker')
 dfRunMarker=dfRunMarker.drop_duplicates()
@@ -259,7 +259,7 @@ for projmarkerrun in dfRunMarker['projMarkRun'].unique():
 dfRunMarker['dat'] = ["results/04_demultiplex_dat/"+ele.replace('/','_')+".tsv" for ele in dfRunMarker['projMarkRun']]
 
 
-projetMarkerRuns = dfMulti[['projmarkrun','marker','projet']].drop_duplicates()
+projetMarkerRuns = dfMulti.loc[:, ('projmarkrun','marker','projet')].drop_duplicates()
 dfpmr = projetMarkerRuns
 ## attribute sample description files to each row with corresponding `marker`
 if config['format'] == "CLASSIC":