src/sage/rings/polynomial: Consolidate some imports from the same module

Author: Matthias Koeppe

src/sage/rings/polynomial/polynomial_element.pyx

@@ -116,10 +116,8 @@ from sage.structure.category_object cimport normalize_names
 
 from sage.misc.derivative import multi_derivative
 
-from sage.arith.misc import sort_complex_numbers_for_display
-from sage.arith.misc import power_mod
+from sage.arith.misc import sort_complex_numbers_for_display, power_mod, is_prime
 from sage.arith.functions import lcm
-from sage.arith.misc import is_prime
 
 from . import polynomial_fateman
 

src/sage/rings/polynomial/toy_d_basis.py

@@ -116,9 +116,8 @@
 - Martin Albrecht (2008-08): initial version
 """
 from sage.rings.integer_ring import ZZ
-from sage.arith.misc import XGCD as xgcd
 from sage.arith.functions import lcm
-from sage.arith.misc import GCD as gcd
+from sage.arith.misc import XGCD as xgcd, GCD as gcd
 from sage.rings.polynomial.toy_buchberger import inter_reduction
 from sage.structure.sequence import Sequence