WebAPI: fix set concatenation in python3

10 years ago · 9897c592e6
1 changed files with 2 additions and 3 deletions
--- a/steam/webapi.py
+++ b/steam/webapi.py
@ -213,9 +213,8 @@ class WebAPIMethod(object):
            )

    def __call__(self, **kwargs):
-        possible_kwargs = (set(self._dict['parameters'].keys() + ['key', 'format', 'raw']))
-        call_kwargs = set(kwargs.keys())
-        unrecognized = call_kwargs.difference(possible_kwargs)
+        possible_kwargs = set(self._dict['parameters'].keys()) | set(['key', 'format', 'raw'])
+        unrecognized = set(kwargs.keys()).difference(possible_kwargs)
        if unrecognized:
            raise ValueError("Unrecognized parameter %s" % repr(unrecognized.pop()))