fixed issue with plotting when the parameter was not possible to compute

barrOs.py

@@ -52,9 +52,11 @@ if __name__ ==  '__main__':
             if len(pdbIDs) > 1:
                 for param in data.columns:
                     if 'mad' not in param and param != 'PDBs' and param != 'TMsegm':
-                        barros.plot_parameter('TMsegm', param, data.loc[data.N_chains == 1], fit_line = True, saveto = '{}_{}_monomers.pdf'.format(outf.split('.')[-2], param))
-                        barros.plot_parameter('TMsegm', param, data.loc[data.N_chains > 1], fit_line = True, saveto = '{}_{}_multimers.pdf'.format(outf.split('.')[-2], param))
-                        
+                        try:
+                            barros.plot_parameter('TMsegm', param, data.loc[data.N_chains == 1], fit_line = True, saveto = '{}_{}_monomers.pdf'.format(outf.split('.')[-2], param))
+                            barros.plot_parameter('TMsegm', param, data.loc[data.N_chains > 1], fit_line = True, saveto = '{}_{}_multimers.pdf'.format(outf.split('.')[-2], param))
+                        except:
+                            print('ERROR: Not enough values to plot for', param)