diff --git a/eqnparserhelp.py b/eqnparserhelp.py
index 1c8be1c..15ac06e 100644
--- a/eqnparserhelp.py
+++ b/eqnparserhelp.py
@@ -28,7 +28,7 @@ class Callable:
     def __init__(self, f):
         self.__call__ = f
 
-class EqnParserHelp():
+class EqnParserHelp:
 
     # Unfortunately gettext is not yet initialized at the time _() is called here.
     # Still do it like this to make sure these strings show up in the POT-file