Update smpplib/command.py

vazir · code-of-kpp · web-flow · commit 8a862aeb83fe · 2021-02-02T10:16:48.000+03:00
Co-authored-by: Konstantin &lt;kpp.live+github@gmail.com&gt;
diff --git a/smpplib/command.py b/smpplib/command.py
@@ -188,7 +188,7 @@ def _generate_string(self, field):
                     value = chr(0).encode()
 
         setattr(self, field, field_value)
-        if isinstance(value, bytes):
+        if isinstance(value, six.binary_type):
             return value
         return six.b(value)
 
