Remove from docstring

qiskit/opflow/converters/abelian_grouper.py

@@ -31,7 +31,7 @@
 
 
 class AbelianGrouper(ConverterBase):
-    """Deprecation: The AbelianGrouper converts SummedOps into a sum of Abelian sums.
+    """The AbelianGrouper converts SummedOps into a sum of Abelian sums.
 
     Meaning, it will traverse the Operator, and when it finds a SummedOp, it will evaluate which of
     the summed sub-Operators commute with one another. It will then convert each of the groups of

qiskit/opflow/converters/circuit_sampler.py

@@ -39,7 +39,7 @@
 
 class CircuitSampler(ConverterBase):
     """
-    Deprecation: The CircuitSampler traverses an Operator and converts any CircuitStateFns into
+    The CircuitSampler traverses an Operator and converts any CircuitStateFns into
     approximations of the state function by a DictStateFn or VectorStateFn using a quantum
     backend. Note that in order to approximate the value of the CircuitStateFn, it must 1) send
     state function through a depolarizing channel, which will destroy all phase information and

qiskit/opflow/converters/converter_base.py

@@ -19,7 +19,7 @@
 
 class ConverterBase(ABC):
     r"""
-    Deprecation: Converters take an Operator and return a new Operator, generally isomorphic
+    Converters take an Operator and return a new Operator, generally isomorphic
     in some way with the first, but with certain desired properties. For example,
     a converter may accept ``CircuitOp`` and return a ``SummedOp`` of
     ``PauliOps`` representing the circuit unitary. Converters may not

qiskit/opflow/converters/dict_to_circuit_sum.py

@@ -22,7 +22,7 @@
 
 class DictToCircuitSum(ConverterBase):
     r"""
-    Deprecation: Converts ``DictStateFns`` or ``VectorStateFns`` to equivalent ``CircuitStateFns``
+    Converts ``DictStateFns`` or ``VectorStateFns`` to equivalent ``CircuitStateFns``
     or sums thereof. The behavior of this class can be mostly replicated by calling ``to_circuit_op``
     on an Operator, but with the added control of choosing whether to convert only ``DictStateFns``
     or ``VectorStateFns``, rather than both.

qiskit/opflow/converters/pauli_basis_change.py

@@ -34,7 +34,7 @@
 
 class PauliBasisChange(ConverterBase):
     r"""
-    Deprecation: Converter for changing Paulis into other bases. By default, the diagonal basis
+    Converter for changing Paulis into other bases. By default, the diagonal basis
     composed only of Pauli {Z, I}^n is used as the destination basis to which to convert.
     Meaning, if a Pauli containing X or Y terms is passed in, which cannot be
     sampled or evolved natively on some Quantum hardware, the Pauli can be replaced by a

qiskit/opflow/converters/two_qubit_reduction.py

@@ -26,7 +26,7 @@
 
 class TwoQubitReduction(ConverterBase):
     """
-    Deprecation: Two qubit reduction converter which eliminates the central and last
+    Two qubit reduction converter which eliminates the central and last
     qubit in a list of Pauli that has diagonal operators (Z,I) at those positions.
 
     Chemistry specific method:

qiskit/opflow/evolutions/evolution_base.py

@@ -20,7 +20,7 @@
 
 class EvolutionBase(ConverterBase, ABC):
     r"""
-    Deprecation: A base for Evolution converters.
+    A base for Evolution converters.
     Evolutions are converters which traverse an Operator tree, replacing any ``EvolvedOp`` `e`
     with a Schrodinger equation-style evolution ``CircuitOp`` equalling or approximating the
     matrix exponential of -i * the Operator contained inside (`e.primitive`). The Evolutions are

qiskit/opflow/evolutions/evolution_factory.py

@@ -19,7 +19,7 @@
 from qiskit.utils.deprecation import deprecate_func
 
 class EvolutionFactory:
-    """Deprecation: A factory class for convenient automatic selection of an
+    """A factory class for convenient automatic selection of an
     Evolution algorithm based on the Operator to be converted.
     """
 

qiskit/opflow/evolutions/evolved_op.py

@@ -31,7 +31,7 @@
 
 class EvolvedOp(PrimitiveOp):
     r"""
-    Deprecation: Class for wrapping Operator Evolutions for compilation (``convert``) by an EvolutionBase
+    Class for wrapping Operator Evolutions for compilation (``convert``) by an EvolutionBase
     method later, essentially acting as a placeholder. Note that EvolvedOp is a weird case of
     PrimitiveOp. It happens to be that it fits into the PrimitiveOp interface nearly perfectly,
     and it essentially represents a placeholder for a PrimitiveOp later, even though it doesn't

qiskit/opflow/evolutions/matrix_evolution.py

@@ -26,7 +26,7 @@
 
 class MatrixEvolution(EvolutionBase):
     r"""
-    Deprecation: Performs Evolution by classical matrix exponentiation, constructing a circuit with
+    Performs Evolution by classical matrix exponentiation, constructing a circuit with
     ``UnitaryGates`` or ``HamiltonianGates`` containing the exponentiation of the Operator.
     """
 

qiskit/opflow/evolutions/pauli_trotter_evolution.py

@@ -41,7 +41,7 @@
 
 class PauliTrotterEvolution(EvolutionBase):
     r"""
-    Deprecation: An Evolution algorithm replacing exponentiated sums of Paulis by changing
+    An Evolution algorithm replacing exponentiated sums of Paulis by changing
     them each to the Z basis, rotating with an rZ, changing back, and Trotterizing.
 
     More specifically, we compute basis change circuits for each Pauli into a single-qubit Z,

qiskit/opflow/evolutions/trotterizations/qdrift.py

@@ -31,7 +31,7 @@
 
 
 class QDrift(TrotterizationBase):
-    """Deprecation: The QDrift Trotterization method, which selects each each term in the
+    """The QDrift Trotterization method, which selects each each term in the
     Trotterization randomly, with a probability proportional to its weight. Based on the work
     of Earl Campbell in https://arxiv.org/abs/1811.08017.
     """

qiskit/opflow/evolutions/trotterizations/suzuki.py

@@ -27,7 +27,7 @@
 
 class Suzuki(TrotterizationBase):
     r"""
-    Deprecation: Suzuki Trotter expansion, composing the evolution circuits of each Operator in the sum
+    Suzuki Trotter expansion, composing the evolution circuits of each Operator in the sum
     together by a recursive "bookends" strategy, repeating the whole composed circuit
     ``reps`` times.
 

qiskit/opflow/evolutions/trotterizations/trotter.py

@@ -17,7 +17,7 @@
 
 class Trotter(Suzuki):
     r"""
-    Deprecation: Simple Trotter expansion, composing the evolution circuits of each Operator in the sum
+    Simple Trotter expansion, composing the evolution circuits of each Operator in the sum
     together ``reps`` times and dividing the evolution time of each by ``reps``.
     """
 

qiskit/opflow/evolutions/trotterizations/trotterization_base.py

@@ -21,7 +21,7 @@
 
 
 class TrotterizationBase(EvolutionBase):
-    """Deprecation: A base for Trotterization methods, algorithms for approximating exponentiations of
+    """A base for Trotterization methods, algorithms for approximating exponentiations of
     operator sums by compositions of exponentiations.
     """
 

qiskit/opflow/evolutions/trotterizations/trotterization_factory.py

@@ -19,7 +19,7 @@
 from qiskit.utils.deprecation import deprecate_func
 
 class TrotterizationFactory:
-    """Deprecation: A factory for conveniently creating TrotterizationBase instances."""
+    """A factory for conveniently creating TrotterizationBase instances."""
 
     @staticmethod
     @deprecate_func(

qiskit/opflow/exceptions.py

@@ -17,7 +17,7 @@
 
 
 class OpflowError(QiskitError):
-    """Deprecation: For Opflow specific errors."""
+    """For Opflow specific errors."""
 
     @deprecate_func(
         since="0.24.0",

qiskit/opflow/expectations/aer_pauli_expectation.py

@@ -33,7 +33,7 @@
 
 
 class AerPauliExpectation(ExpectationBase):
-    r"""Deprecation: An Expectation converter for using Aer's operator snapshot to
+    r"""An Expectation converter for using Aer's operator snapshot to
     take expectations of quantum state circuits over Pauli observables.
 
     """

qiskit/opflow/expectations/cvar_expectation.py

@@ -23,7 +23,7 @@
 from qiskit.utils.deprecation import deprecate_func
 
 class CVaRExpectation(ExpectationBase):
-    r"""Deprecation: Compute the Conditional Value at Risk (CVaR) expectation value.
+    r"""Compute the Conditional Value at Risk (CVaR) expectation value.
 
     The standard approach to calculating the expectation value of a Hamiltonian w.r.t. a
     state is to take the sample mean of the measurement outcomes. This corresponds to an estimator

qiskit/opflow/expectations/expectation_base.py

@@ -23,7 +23,7 @@
 
 class ExpectationBase(ConverterBase):
     r"""
-    Deprecation: A base for Expectation value converters. Expectations are converters which enable the
+    A base for Expectation value converters. Expectations are converters which enable the
     computation of the expectation value of an Observable with respect to some state function.
     They traverse an Operator tree, replacing OperatorStateFn measurements with equivalent
     measurements which are more amenable to computation on quantum or classical hardware. For

qiskit/opflow/expectations/expectation_factory.py

@@ -30,7 +30,7 @@
 
 
 class ExpectationFactory:
-    """Deprecation:  factory class for convenient automatic selection of an Expectation based on the
+    """ factory class for convenient automatic selection of an Expectation based on the
     Operator to be converted and backend used to sample the expectation value.
     """
 

qiskit/opflow/expectations/matrix_expectation.py

@@ -21,7 +21,7 @@
 from qiskit.utils.deprecation import deprecate_func
 
 class MatrixExpectation(ExpectationBase):
-    """Deprecation: An Expectation converter which converts Operator measurements to
+    """An Expectation converter which converts Operator measurements to
     be matrix-based so they can be evaluated by matrix multiplication."""
 
     @deprecate_func(

qiskit/opflow/expectations/pauli_expectation.py

@@ -33,7 +33,7 @@
 
 class PauliExpectation(ExpectationBase):
     r"""
-    Deprecation: An Expectation converter for Pauli-basis observables by changing Pauli measurements to a
+    An Expectation converter for Pauli-basis observables by changing Pauli measurements to a
     diagonal ({Z, I}^n) basis and appending circuit post-rotations to the measured state function.
     Optionally groups the Paulis with the same post-rotations (those that commute with one
     another, or form Abelian groups) into single measurements to reduce circuit execution

qiskit/opflow/gradients/circuit_gradients/circuit_gradient.py

@@ -23,7 +23,7 @@
 
 
 class CircuitGradient(ConverterBase):
-    r"""Deprecation: Circuit to gradient operator converter.
+    r"""Circuit to gradient operator converter.
 
     Converter for changing parameterized circuits into operators
     whose evaluation yields the gradient with respect to the circuit parameters.

qiskit/opflow/gradients/circuit_gradients/lin_comb.py

@@ -68,7 +68,7 @@
 
 
 class LinComb(CircuitGradient):
-    """Deprecation: Compute the state gradient d⟨ψ(ω)|O(θ)|ψ(ω)〉/ dω respectively the gradients of the
+    """Compute the state gradient d⟨ψ(ω)|O(θ)|ψ(ω)〉/ dω respectively the gradients of the
     sampling probabilities of the basis states of
     a state |ψ(ω)〉w.r.t. ω.
     This method employs a linear combination of unitaries,

qiskit/opflow/gradients/circuit_gradients/param_shift.py

@@ -40,7 +40,7 @@
 
 
 class ParamShift(CircuitGradient):
-    """Deprecation: Compute the gradient d⟨ψ(ω)|O(θ)|ψ(ω)〉/ dω respectively the gradients of the sampling
+    """Compute the gradient d⟨ψ(ω)|O(θ)|ψ(ω)〉/ dω respectively the gradients of the sampling
     probabilities of the basis states of a state |ψ(ω)〉w.r.t. ω with the parameter shift
     method.
     """

qiskit/opflow/gradients/circuit_qfis/circuit_qfi.py

@@ -22,7 +22,7 @@
 
 
 class CircuitQFI(ConverterBase):
-    r"""Deprecation: Circuit to Quantum Fisher Information operator converter.
+    r"""Circuit to Quantum Fisher Information operator converter.
 
     Converter for changing parameterized circuits into operators
     whose evaluation yields Quantum Fisher Information metric tensor

qiskit/opflow/gradients/circuit_qfis/lin_comb_full.py

@@ -29,7 +29,7 @@
 
 
 class LinCombFull(CircuitQFI):
-    r"""Deprecation: Compute the full Quantum Fisher Information (QFI).
+    r"""Compute the full Quantum Fisher Information (QFI).
 
     Given a pure, parameterized quantum state this class uses the linear combination of unitaries
     See also :class:`~qiskit.opflow.QFI`.

qiskit/opflow/gradients/circuit_qfis/overlap_block_diag.py

@@ -33,7 +33,7 @@
 
 
 class OverlapBlockDiag(CircuitQFI):
-    r"""Deprecation: Compute the block-diagonal of the QFI given a pure, parameterized quantum state.
+    r"""Compute the block-diagonal of the QFI given a pure, parameterized quantum state.
 
     The blocks are given by all parameterized gates in quantum circuit layer.
     See also :class:`~qiskit.opflow.QFI`.

qiskit/opflow/gradients/circuit_qfis/overlap_diag.py

@@ -33,7 +33,7 @@
 
 
 class OverlapDiag(CircuitQFI):
-    r"""Deprecation: Compute the diagonal of the QFI given a pure, parameterized quantum state.
+    r"""Compute the diagonal of the QFI given a pure, parameterized quantum state.
 
     See also :class:`~qiskit.opflow.QFI`.
     """

qiskit/opflow/gradients/derivative_base.py

@@ -34,7 +34,7 @@
 
 
 class DerivativeBase(ConverterBase):
-    r"""Deprecation: Base class for differentiating opflow objects.
+    r"""Base class for differentiating opflow objects.
 
     Converter for differentiating opflow objects and handling
     things like properly differentiating combo_fn's and enforcing product rules

qiskit/opflow/gradients/gradient.py

@@ -35,7 +35,7 @@
 
 
 class Gradient(GradientBase):
-    """Deprecation: Convert an operator expression to the first-order gradient."""
+    """Convert an operator expression to the first-order gradient."""
 
     @deprecate_func(
         since="0.24.0",

qiskit/opflow/gradients/gradient_base.py

@@ -20,7 +20,7 @@
 
 
 class GradientBase(DerivativeBase):
-    """Deprecation: Base class for first-order operator gradient.
+    """Base class for first-order operator gradient.
 
     Convert an operator expression to the first-order gradient.
     """

qiskit/opflow/gradients/hessian.py

@@ -38,7 +38,7 @@
 
 
 class Hessian(HessianBase):
-    """Deprecation: Compute the Hessian of an expected value."""
+    """Compute the Hessian of an expected value."""
 
     @deprecate_func(
         since="0.24.0",

qiskit/opflow/gradients/hessian_base.py

@@ -20,7 +20,7 @@
 
 
 class HessianBase(DerivativeBase):
-    """Deprecation: Base class for the Hessian of an expected value."""
+    """Base class for the Hessian of an expected value."""
 
     @deprecate_func(
         since="0.24.0",

qiskit/opflow/gradients/natural_gradient.py

@@ -38,7 +38,7 @@
 
 
 class NaturalGradient(GradientBase):
-    r"""Deprecation: Convert an operator expression to the first-order gradient.
+    r"""Convert an operator expression to the first-order gradient.
 
     Given an ill-posed inverse problem
 

qiskit/opflow/gradients/qfi.py

@@ -26,7 +26,7 @@
 
 
 class QFI(QFIBase):
-    r"""Deprecation: Compute the Quantum Fisher Information (QFI).
+    r"""Compute the Quantum Fisher Information (QFI).
 
     Computes the QFI given a pure, parameterized quantum state, where QFI is:
 

qiskit/opflow/gradients/qfi_base.py

@@ -21,7 +21,7 @@
 
 class QFIBase(DerivativeBase):
 
-    r"""Deprecation: Base class for Quantum Fisher Information (QFI).
+    r"""Base class for Quantum Fisher Information (QFI).
 
     Compute the Quantum Fisher Information (QFI) given a pure, parameterized quantum state.
 

qiskit/opflow/list_ops/composed_op.py

@@ -28,7 +28,7 @@
 
 
 class ComposedOp(ListOp):
-    """Deprecation: A class for lazily representing compositions of Operators. Often Operators cannot be
+    """A class for lazily representing compositions of Operators. Often Operators cannot be
     efficiently composed with one another, but may be manipulated further so that they can be
     composed later. This class holds logic to indicate that the Operators in ``oplist`` are meant to
     be composed, and therefore if they reach a point in which they can be, such as after

qiskit/opflow/list_ops/list_op.py

@@ -28,7 +28,7 @@
 
 class ListOp(OperatorBase):
     """
-    Deprecation: A Class for manipulating List Operators, and parent class to ``SummedOp``,
+    A Class for manipulating List Operators, and parent class to ``SummedOp``,
     ``ComposedOp`` and ``TensoredOp``.
 
     List Operators are classes for storing and manipulating lists of Operators, State functions,

qiskit/opflow/list_ops/summed_op.py

@@ -25,7 +25,7 @@
 
 
 class SummedOp(ListOp):
-    """Deprecation: A class for lazily representing sums of Operators. Often Operators cannot be
+    """A class for lazily representing sums of Operators. Often Operators cannot be
     efficiently added to one another, but may be manipulated further so that they can be
     later. This class holds logic to indicate that the Operators in ``oplist`` are meant to
     be added together, and therefore if they reach a point in which they can be, such as after

qiskit/opflow/list_ops/tensored_op.py

@@ -26,7 +26,7 @@
 
 
 class TensoredOp(ListOp):
-    """Deprecation: A class for lazily representing tensor products of Operators. Often Operators
+    """A class for lazily representing tensor products of Operators. Often Operators
     cannot be efficiently tensored to one another, but may be manipulated further so that they can be
     later. This class holds logic to indicate that the Operators in ``oplist`` are meant to
     be tensored together, and therefore if they reach a point in which they can be, such as after

qiskit/opflow/mixins/star_algebra.py

@@ -20,7 +20,7 @@
 
 
 class StarAlgebraMixin(MultiplyMixin, ABC):
-    """Deprecation: The star algebra mixin class.
+    """The star algebra mixin class.
     Star algebra is an algebra with an adjoint.
 
     This class overrides:

qiskit/opflow/mixins/tensor.py

@@ -18,7 +18,7 @@
 
 
 class TensorMixin(ABC):
-    """Deprecation: The mixin class for tensor operations.
+    """The mixin class for tensor operations.
 
     This class overrides:
         - ``^``, ``__xor__``, `__rxor__` -> :meth:`tensor` between two operators and