Bump python version (#121)

* 📝 docs (readthedocs): Add configuration file.

* 🧪 CI (tests): Avoid using python3.7.

* 🔧 refactor (readthedocs): Copy file from PL.

* bump python version in README

* ✏️ chore (changelog): Add changelog entry.

* ✏️ chore (changelog): Add changelog entry.

.github/workflows/tests.yml

@@ -5,14 +5,13 @@ on:
       - master
   pull_request:
 
-
 jobs:
   tests:
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        python-version: [3.8, '3.10']
+        python-version: ["3.8", "3.10"]
 
     steps:
       - name: Cancel Previous Runs
@@ -55,6 +54,10 @@ jobs:
   integration-tests:
     runs-on: ubuntu-latest
 
+    strategy:
+      matrix:
+        python-version: ["3.8", "3.10"]
+
     steps:
       - name: Cancel Previous Runs
         uses: styfle/cancel-workflow-action@0.4.1
@@ -72,7 +75,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.7
+          python-version: ${{ matrix.python-version }}
 
       - name: Install requirements
         run: |

.readthedocs.yaml

@@ -0,0 +1,29 @@
+# .readthedocs.yml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+  configuration: doc/conf.py
+
+# Build documentation with MkDocs
+#mkdocs:
+#  configuration: mkdocs.yml
+
+# Optionally build your docs in additional formats such as PDF and ePub
+formats:
+  - htmlzip
+
+# Optionally set the version of Python and requirements required to build your docs
+python:
+  version: 3.8
+  install:
+    - requirements: doc/requirements.txt
+    - method: pip
+      path: .
+
+build:
+  image: latest

CHANGELOG.md

@@ -4,6 +4,9 @@
 
 ### Breaking changes
 
+* `pennylane-rigetti` no longer supports `python3.7`. A newer python version is required.
+  [(#121)](https://github.com/PennyLaneAI/pennylane-rigetti/pull/121)
+
 ### Improvements
 
 ### Documentation
@@ -14,6 +17,8 @@
 
 This release contains contributions from (in alphabetical order):
 
+Albert Mitjans Coma
+
 ---
 
 # Release 0.27.0
@@ -36,7 +41,7 @@ as a PennyLane device.
   [#110](https://github.com/PennyLaneAI/pennylane-forest/pull/110)
 
 * A new version of the QCS CLI is required if you want to use your QCS account
-  to run your workloads on a live Rigetti QPU. See 
+  to run your workloads on a live Rigetti QPU. See
   [Using the QCS CLI](https://docs.rigetti.com/qcs/guides/using-the-qcs-cli) for
   details.
   [#107](https://github.com/PennyLaneAI/pennylane-forest/pull/107)
@@ -70,8 +75,8 @@ as a PennyLane device.
 
 ### Bug fixes
 
-* The QPU device now correctly sets the number of shots when parametric 
-  compilation is disabled. 
+* The QPU device now correctly sets the number of shots when parametric
+  compilation is disabled.
   [#107](https://github.com/PennyLaneAI/pennylane-forest/pull/107)
 
 ### Contributors

README.rst

@@ -77,7 +77,7 @@ Dependencies
 
 PennyLane-Rigetti requires the following libraries be installed:
 
-* `Python <http://python.org/>`__ >=3.7
+* `Python <http://python.org/>`__ >=3.8
 
 as well as the following Python packages:
 

pennylane_rigetti/qpu.py

@@ -123,10 +123,8 @@ def expval(self, observable, shot_range=None, bin_size=None):
 
         # `measure_observables` called only when parametric compilation is turned off
         if not self.parametric_compilation:
-
             # Single-qubit observable
             if len(device_wires) == 1:
-
                 # Ensure sensible observable
                 assert observable.name in [
                     "PauliX",
@@ -142,7 +140,6 @@ def expval(self, observable, shot_range=None, bin_size=None):
 
             # Multi-qubit observable
             elif len(device_wires) > 1 and isinstance(observable, Tensor):
-
                 # All observables are rotated to be measured in the Z-basis, so we just need to
                 # check which wires exist in the observable, map them to physical qubits, and measure
                 # the product of PauliZ operators on those qubits

pennylane_rigetti/wavefunction.py

@@ -129,7 +129,6 @@ def expand_state(self):
 
         for string, amplitude in zip(subsystem_bit_strings, self._state):
             for w in inactive_wires:
-
                 # expand the bitstring by inserting a zero bit for each inactive qubit
                 string = np.insert(string, w, 0)
 

setup.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python3
-import sys
 import os
+import sys
+
 from setuptools import setup
 
 with open("pennylane_rigetti/_version.py") as f:
@@ -49,7 +50,6 @@
     "Operating System :: Microsoft :: Windows",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",