if os.path.exists(FolderPath) == False:
    print FolderPath, 'Path does not exist, ending script.'
    quit()

df_gilts = pd.read_csv(os.path.join(FolderPath,GILTS))

File "pandasparser.pyx", line 358, in pandas.parser.TextReader.__cinit__ (pandasparser.c:3427)

  File "pandasparser.pyx", line 628, in pandas.parser.TextReader._setup_parser_source (pandasparser.c:6861)

IOError: File G:On-shoring ProjectmCPPIReconciliation ToolReconciliation Tool Project3. PythonBootStrapBBG2017-02-28RAW_gilts.csv does not exist