Should fix empty chunks error

asciiWriter/wrap_single_line.py

@@ -12,6 +12,7 @@ class TextWrapper(textwrap.TextWrapper):
 
     def _wrap_chunks(self, chunks):
         lines = []
+        if (chunks):
           """Override the mother class method.
 
           Most of that method is directly copied from the original class, except
@@ -108,6 +109,8 @@ class TextWrapper(textwrap.TextWrapper):
                               lines[-1] = prev_line + self.placeholder
                               
                   return indent + self.placeholder.lstrip(), ''.join(reversed(chunks))
+        else:
+          return '', []
           
 def wrap_single_line (text, width=70, **kwargs):
     w = TextWrapper(width=width, **kwargs)