Merge v0.23.0-rc to master after release (#2493)

* Remove deprecated `get_unitary_matrix` (#2457)

* Remove

* Changelog

* changelog: breaking change

* Trigger CI

Co-authored-by: Antal Szava <antalszava@gmail.com>

* Rename `doc/releases/changelog-dev.md` → `doc/releases/changelog-0.23.0.md` (release candidate) (#2461)

* changelog rename

* update ref of the file

* Fix the issue with JAX JIT for grad when `diff_method="adjoint"` and `mode="backward"` (#2460)

* Fix the issue

* Apply code review suggestions

* Update changelog

* Update jax.py

* Trigger CI

* Bugfix for Nesterov Momentum Optimier (#2466)

* nesterov_fix

* nesterov momentum bugfix

* Update doc/releases/changelog-0.23.0.md

* Update tests/optimize/test_optimize.py

* Use pennylane numpy in molecular hamiltonian (#2465)

* fix pl numpy and ham complex coeff

* test

* PR num

* test tidy

* correct method for returning real coeffs

* linting

Co-authored-by: Antal Szava <antalszava@gmail.com>

* Remove `qml.finite_diff` (#2464)

* remove finite-diff

* remove unused import

* Update doc/releases/changelog-0.23.0.md

Co-authored-by: antalszava <antalszava@gmail.com>

* remove hamiltonian diff test file

Co-authored-by: antalszava <antalszava@gmail.com>

* Update qchem documentation (#2454)

* fix mera formatting issues (#2470)

* Fix qcut doc render (#2471)

* Update

* Update

* Trigger CI

* fix has_matrix (#2476)

* use qml.eigvals because MeasurementProcess.eigvals is being deprecated and raises a warning (#2477)

* Warn upon import of an `ObservableReturnType` from operation instead of measurements (#2481)

* warn upon import of observablereturntype from operation

* black?

* Update pennylane/__init__.py

Co-authored-by: antalszava <antalszava@gmail.com>

* Update tests/test_operation.py

Co-authored-by: antalszava <antalszava@gmail.com>

* update changelog

* Update pennylane/operation.py

Co-authored-by: antalszava <antalszava@gmail.com>

* Update chemistry doc (#2482)

* Automatic upload to pip when released (#2484)

* upload

* Return line

* Jacobian Slice Bug StrawberryFields (#2485)

* fixed jacobian slicing issue

Update pennylane/interfaces/autograd.py

Co-authored-by: antalszava <antalszava@gmail.com>

* added testcase for custom device

* Update doc/releases/changelog-0.23.0.md

* retrigger checks

Co-authored-by: antalszava <antalszava@gmail.com>

* Documentation fixes for the v0.23.0 release (#2472)

* Fix qml.ctrl docstring

* Add notice about control values other than 0,1

* Fix bell example on measurements docs page

* Update doc/introduction/measurements.rst

Co-authored-by: Christina Lee <christina@xanadu.ai>

* Update pennylane/transforms/control.py

Co-authored-by: Christina Lee <christina@xanadu.ai>

* Make the cut_circuit_mc docs example deterministic

* Fix sphinx build

Co-authored-by: Christina Lee <christina@xanadu.ai>
Co-authored-by: antalszava <antalszava@gmail.com>

* Issue a warning about repeated cached executions with shot noise (#2478)

* Add warning about caching with finite shots

* Fix import order

* Add changelog

* Use set_shots to determine shots for warning

* format

* disable pylint 'protected-access'

* Fixes and cleanup to the inspection logic

* format

* add test for warning

* Review: expand warning message

* Review: add additional tests

Co-authored-by: antalszava <antalszava@gmail.com>

* Fix QChem documentation (#2487)

* Fix finite-shots/caching warning appearing internally for gradients (#2491)

* Fix warning appearing internally for gradients

* pylint: fix protected attribute

* Add test for checking no warning is raised

* V0.23.0 notes (#2474)

* notes + version

* sections

* update examples

* remove empty sections

* has_matrix bug fix

* Adding more PRs to the changelog

* PR, extend contributors

* Extend list of contributors

* Update the order of entries

* Add auto cutting example; reorg QChem

* remove curr release from 0.22.2 header

* formatting

* fix link

* Update

* Trigger CI

* Change code blooc

* Typo

* Update pennylane/transforms/optimization/pattern_matching.py

Co-authored-by: antalszava <antalszava@gmail.com>

* Update pennylane/transforms/optimization/pattern_matching.py

Co-authored-by: antalszava <antalszava@gmail.com>

* Update pennylane/transforms/optimization/pattern_matching.py

Co-authored-by: antalszava <antalszava@gmail.com>

* Update pennylane/transforms/optimization/pattern_matching.py

Co-authored-by: antalszava <antalszava@gmail.com>

* Addd seealso

* modify the qchem section

* Update doc/releases/changelog-0.23.0.md

Co-authored-by: Josh Izaac <josh146@gmail.com>

* Update doc/releases/changelog-0.23.0.md

Co-authored-by: Josh Izaac <josh146@gmail.com>

* Update doc/releases/changelog-0.23.0.md

Co-authored-by: Josh Izaac <josh146@gmail.com>

* Update doc/releases/changelog-0.23.0.md

Co-authored-by: Josh Izaac <josh146@gmail.com>

* code review

* code review

* code review (remove empty lines & add pattern matching opt docstring link)

* Update doc/releases/changelog-0.23.0.md

Co-authored-by: Josh Izaac <josh146@gmail.com>

* Update doc/releases/changelog-0.23.0.md

Co-authored-by: Josh Izaac <josh146@gmail.com>

* shape and numeric type example

* MP description update

* rephrase expand_strategy for qml.specs improvement

* update

* caching phrasing

* removed

* phrasing

* updates

* bug phrasing, reorder

* update link placement and use pycon

* include swap test output in example

* More info on HS template

* rephrase QCut

* move example to UsageDetails

* auto QCut rephrase

* More powerful circuit cutting

* Trigger CI

* Upddate

* add qchem code example

* correct typo in qchem text

* no backticks

* fix the case when obs=None for a MeasurementProcess for interface selection

* update

* changelog

* docstring

* Update doc/releases/changelog-0.23.0.md

Co-authored-by: Josh Izaac <josh146@gmail.com>

* update links as per code review

* typo

* pycon syntax

* double backticks

* no dev in release header

* Lightning v0.23.0 required in setup.py

Co-authored-by: Romain Moyard <rmoyard@gmail.com>
Co-authored-by: soranjh <soranjh@yahoo.com>
Co-authored-by: Josh Izaac <josh146@gmail.com>

* Remove typo

* Update pennylane/interfaces/jax.py

Co-authored-by: Romain Moyard <rmoyard@gmail.com>
Co-authored-by: Ali Asadi <ali@xanadu.ai>
Co-authored-by: Christina Lee <christina@xanadu.ai>
Co-authored-by: soranjh <40344468+soranjh@users.noreply.github.com>
Co-authored-by: Sam Banning <samcbanning@gmail.com>
Co-authored-by: David Ittah <dime10@users.noreply.github.com>
Co-authored-by: Josh Izaac <josh146@gmail.com>
Co-authored-by: soranjh <soranjh@yahoo.com>

.pylintrc

@@ -15,7 +15,7 @@ ignored-modules=numpy,scipy,autograd,toml,appdir,autograd,autograd.numpy,autogra
 # List of classes names for which member attributes should not be checked
 # (useful for classes with attributes dynamically set). This supports can work
 # with qualified names.
-ignored-classes=numpy,scipy,autograd,toml,appdir,autograd,autograd.numpy,autograd.numpy.linalg,semantic_version,torch,tensorflow,tensorflow.contrib,tensorflow.contrib.eager,LazyLoader,networkx,networkx.dag,math,pennylane.numpy,pennylane.numpy.random,pennylane.numpy.linalg,pennylane.operation,retworkx
+ignored-classes=numpy,scipy,autograd,toml,appdir,autograd,autograd.numpy,autograd.numpy.linalg,semantic_version,torch,tensorflow,tensorflow.contrib,tensorflow.contrib.eager,LazyLoader,networkx,networkx.dag,math,pennylane.numpy,pennylane.numpy.random,pennylane.numpy.linalg,pennylane.operation,retworkx,kahypar
 
 [MESSAGES CONTROL]
 

doc/code/qml_qchem.rst

@@ -10,26 +10,10 @@ number observables.
 
 .. currentmodule:: pennylane.qchem
 
-.. rubric:: Modules
-
-.. autosummary::
-    :toctree: api
-
-    basis_data
-    basis_set
-    convert
-    dipole
-    hamiltonian
-    hartree_fock
-    integrals
-    matrices
-    molecule
-    number
-    observable_hf
-    openfermion_obs
-    spin
-    structure
-    tapering
+.. automodapi:: pennylane.qchem
+    :no-heading:
+    :include-all-objects:
+    :no-inheritance-diagram:
 
 Differentiable Hartree-Fock
 ---------------------------