Update src/sage/rings/polynomial/multi_polynomial_sequence.py

Co-authored-by: Vincent Neiger <[email protected]>

Author: MercedesHaiech

src/sage/rings/polynomial/multi_polynomial_sequence.py

@@ -1100,7 +1100,7 @@ def macaulay_matrix(self, degree,
                     row_indices += [(mon, i) for mon in R_monomials_of_degree[deg]]
             # order the rows with TOP
             else:
-                R_monomials_useful=[]
+                R_monomials_useful = []
                 for i in range(degree,target_degree-self.minimal_degree()+1):
                     R_monomials_useful+=R_monomials_of_degree[i]
                 R_monomials_useful.sort()