WIP get rid of VectorFieldModule_abstract

src/sage/manifolds/differentiable/diff_form_module.py

@@ -47,10 +47,9 @@
 from sage.manifolds.differentiable.diff_form import DiffForm, DiffFormParal
 from sage.manifolds.differentiable.tensorfield import TensorField
 from sage.manifolds.differentiable.tensorfield_paral import TensorFieldParal
-from sage.manifolds.differentiable.vectorfield_module import VectorFieldModule_abstract
 
 
-class DiffFormModule(VectorFieldModule_abstract):
+class DiffFormModule(UniqueRepresentation, Parent):
     r"""
     Module of differential forms of a given degree `p` (`p`-forms) along a
     differentiable manifold `U` with values on a differentiable manifold `M`.

src/sage/manifolds/differentiable/tensorfield_module.py

@@ -53,10 +53,9 @@
                                                             MultivectorFieldParal)
 from sage.manifolds.differentiable.automorphismfield import (AutomorphismField,
                                                              AutomorphismFieldParal)
-from sage.manifolds.differentiable.vectorfield_module import VectorFieldModule_abstract
 
 
-class TensorFieldModule(ReflexiveModule_tensor, VectorFieldModule_abstract):
+class TensorFieldModule(ReflexiveModule_tensor):
     r"""
     Module of tensor fields of a given type `(k,l)` along a differentiable
     manifold `U` with values on a differentiable manifold `M`, via a
@@ -600,7 +599,7 @@ def zero(self):
 
 #***********************************************************************
 
-class TensorFieldFreeModule(TensorFreeModule, VectorFieldModule_abstract):
+class TensorFieldFreeModule(TensorFreeModule):
     r"""
     Free module of tensor fields of a given type `(k,l)` along a
     differentiable manifold `U` with values on a parallelizable manifold `M`,

src/sage/manifolds/differentiable/vectorfield_module.py

@@ -64,13 +64,7 @@
     from sage.manifolds.differentiable.manifold import DifferentiableManifold
 
 
-class VectorFieldModule_abstract(UniqueRepresentation, ReflexiveModule_abstract):
-    r"""
-    Abstract base class for modules of vector fields.
-    """
-
-
-class VectorFieldModule(ReflexiveModule_base, VectorFieldModule_abstract):
+class VectorFieldModule(ReflexiveModule_base):
     r"""
     Module of vector fields along a differentiable manifold `U`
     with values on a differentiable manifold `M`, via a differentiable
@@ -1272,7 +1266,7 @@ def poisson_tensor(
 
 #******************************************************************************
 
-class VectorFieldFreeModule(FiniteRankFreeModule, VectorFieldModule_abstract):
+class VectorFieldFreeModule(FiniteRankFreeModule):
     r"""
     Free module of vector fields along a differentiable manifold `U` with
     values on a parallelizable manifold `M`, via a differentiable map