Исправлен вывод

calculate/lib/utils/colortext/printing.py

@@ -32,6 +32,11 @@ class Print(object):
         self.buffer.append(self.output.setBold())
         return self
 
+    @property
+    def underline(self):
+        self.buffer.append(self.output.setUnderline())
+        return self
+
     def foreground(self, color):
         self.buffer.append(self.output.setForeground(color))
         return self