sage.manifolds, sage.tensor: Remove imports from sage.arith.all, sage.rings.all

Author: Matthias Koeppe

src/sage/manifolds/utilities.py

@@ -35,7 +35,8 @@
 from sage.functions.other import abs_symbolic
 from sage.misc.functional import sqrt
 from sage.functions.trig import cos, sin
-from sage.rings.all import Rational
+from sage.rings.rational import Rational
+
 
 class SimplifySqrtReal(ExpressionTreeWalker):
     r"""

src/sage/tensor/modules/comp.py

@@ -5446,7 +5446,7 @@ def interior_product(self, other):
             True
 
         """
-        from sage.arith.all import factorial
+        from sage.arith.misc import factorial
         # Sanity checks:
         if not isinstance(other, CompFullyAntiSym):
             raise TypeError("{} is not a fully antisymmetric ".format(other) +

src/sage/tensor/modules/ext_pow_free_module.py

@@ -236,7 +236,7 @@ def __init__(self, fmodule, degree, name=None, latex_name=None):
             sage: TestSuite(A).run()
 
         """
-        from sage.arith.all import binomial
+        from sage.arith.misc import binomial
         from sage.typeset.unicode_characters import unicode_bigwedge
         self._fmodule = fmodule
         self._degree = ZZ(degree)
@@ -631,7 +631,7 @@ def __init__(self, fmodule, degree, name=None, latex_name=None):
             sage: TestSuite(A).run()
 
         """
-        from sage.arith.all import binomial
+        from sage.arith.misc import binomial
         from sage.typeset.unicode_characters import unicode_bigwedge
         self._fmodule = fmodule
         self._degree = ZZ(degree)