hgext/convert/cvsps.py

--- a/hgext/convert/cvsps.py	Mon Feb 19 21:45:49 2018 +0530
+++ b/hgext/convert/cvsps.py	Mon Feb 19 23:44:41 2018 +0530
@@ -855,6 +855,7 @@
     repository, and convert the log to changesets based on matching
     commit log entries and dates.
     '''
+    opts = pycompat.byteskwargs(opts)
     if opts["new_cache"]:
         cache = "write"
     elif opts["update_cache"]: