another fix for pep8

Author: fchapoton

src/sage/schemes/hyperelliptic_curves/hyperelliptic_generic.py

@@ -349,7 +349,7 @@ def odd_degree_model(self):
             raise ValueError("No odd degree model exists over field of definition")
         rt = rts[0]
         x = f.parent().gen()
-        fnew =  f((x*rt + 1)/x).numerator() # move rt to "infinity"
+        fnew = f((x * rt + 1) / x).numerator()  # move rt to "infinity"
 
         from .constructor import HyperellipticCurve
         return HyperellipticCurve(fnew, 0, names=self._names, PP=self._PP)