removing unused vars for clarity

Author: crazyeng

wolframclient/deserializers/wxf/wxfconsumer.py

@@ -169,7 +169,7 @@ def consume_bigreal(self, current_token, tokens, **kwargs):
 
         if match:
 
-            num, prec, pow, exp = match.groups()
+            num, _, _, exp = match.groups()
 
             if exp:
                 return decimal.Decimal("%se%s" % (num, exp))