--- a/yml2proc	Tue Nov 20 22:35:38 2018 +0100
+++ b/yml2proc	Fri Jan 25 23:31:57 2019 +0100
@@ -18,7 +18,7 @@
     sys.exit(1)
 
 from yml2 import ymlCStyle, comment, oldSyntax
-from pyPEG import parse, u
+from pyPEG import parse
 import backend
 
 def printInfo(option, opt_str, value, parser):
@@ -33,7 +33,7 @@
             msg = str(msg) + "\n"
         except:
             msg = u(msg) + u"\n"
-    if type(msg) is unicode:
+    if type(msg) is str:
         msg = codecs.encode(msg, sys.stderr.encoding)
     sys.stderr.write(msg)
 
@@ -182,7 +182,7 @@
         if options.params:
             params = eval(options.params)
             for key, value in params.iteritems():
-                if type(value) != unicode:
+                if type(value) != str:
                     params[key] = u(value)
         if options.stringparams:
             for key, value in eval(options.stringparams).iteritems():
@@ -203,7 +203,7 @@
     if options.pretty:
         plaintext = etree.tostring(etree.fromstring(rtext), pretty_print=True, xml_declaration=True, encoding=options.encoding)
     else:
-        if isinstance(rtext, unicode):
+        if isinstance(rtext, str):
             plaintext = codecs.encode(rtext, options.encoding)
         else:
             plaintext = str(rtext)