fix the linter once more (#35552)

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### 📚 Description

Fixing the linter workflow

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src/sage/rings/real_double.pyx

@@ -1522,7 +1522,7 @@ cdef class RealDoubleElement(FieldElement):
     def round(self):
         """
         Round ``self`` to the nearest integer.
-        
+
         This uses the convention of rounding half to even
         (i.e., if the fractional part of ``self`` is `0.5`, then it
         is rounded to the nearest even integer).

src/sage/rings/real_mpfr.pyx

@@ -2992,7 +2992,7 @@ cdef class RealNumber(sage.structure.element.RingElement):
         """
          Round ``self`` to the nearest representable integer, rounding halfway
          cases away from zero.
-         
+
          .. NOTE::
 
              The rounding mode of the parent field does not affect the result.