906e4de349d22e0200d2baad80966ad2489da5d9
max
  Fri May 23 08:55:10 2025 -0700
small fix for prev commit

diff --git src/cbPyLib/cellbrowser/convert.py src/cbPyLib/cellbrowser/convert.py
index 1f0f13d..d8c1a8c 100644
--- src/cbPyLib/cellbrowser/convert.py
+++ src/cbPyLib/cellbrowser/convert.py
@@ -54,31 +54,31 @@
 
 
     (options, args) = parser.parse_args()
 
     if showHelp:
         parser.print_help()
         exit(1)
 
     setDebug(options.debug)
     return args, options
 
 def cbToolCli():
     " run various tools from the command line "
     args, options = cbToolCli_parseArgs()
 
-    if len(args)<=1 and args[0] != "quickgenes":
+    if len(args)<=1 and (len(args)!=0) and args[0]!="quickgenes"):
         cbToolCli_parseArgs(showHelp=True)
         sys.exit(1)
 
     cmd = args[0]
 
     cmds = ["mtx2tsv", "matCatCells", "matCatGenes" "metaCat", "reorder", "cxg", "quickgenes"]
 
     if cmd=="mtx2tsv":
         mtxFname = args[1]
         geneFname = args[2]
         barcodeFname = args[3]
         outFname = args[4]
         mtxToTsvGz(mtxFname, geneFname, barcodeFname, outFname)
     elif cmd=="matCatCells":
         inFnames = args[1:-1]