Add missing data files collection for 'sigima' in DataLab.spec

Author: PierreRaybaut

DataLab.spec

@@ -7,6 +7,7 @@ from PyInstaller.utils.hooks import collect_submodules, collect_data_files
 all_hidden_imports = collect_submodules('datalab')
 datas = collect_data_files('datalab') + [('datalab\\plugins', 'datalab\\plugins')]
 datas += collect_data_files('guidata') + collect_data_files('plotpy')
+datas += collect_data_files('sigima')
 
 a = Analysis(
     ['datalab\\start.pyw'],