Drop support for python 3.6

.github/workflows/test_latest_versions.yml

@@ -18,8 +18,8 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        os: [ubuntu-20.04]
-        python-version: [3.6, '3.10']
+        os: [ubuntu-latest]
+        python-version: [3.7, '3.10']
         include:
           - os: macos-latest
             python-version: 3.7

INSTALL.md

@@ -15,7 +15,7 @@ The remainder of this document will assume you are in the root directory of the
 
 ## Set up a virtual Python Environment
 
-Next, we assume that [Python](https://www.python.org/) 3.6 or higher is installed.  It is recommended to use a Python virtual environment that is dedicated to working with `qrao`.  The steps in the remainder of this tutorial will assume that this environment is activated using either method.
+Next, we assume that [Python](https://www.python.org/) 3.7 or higher is installed.  It is recommended to use a Python virtual environment that is dedicated to working with `qrao`.  The steps in the remainder of this tutorial will assume that this environment is activated using either method.
 
 ### Option 1: venv (included in Python)
 

README.md

@@ -1,5 +1,5 @@
 ![Platform](https://img.shields.io/badge/Platform-Linux%20%7C%20macOS%20%7C%20Windows-informational)
-[![Python](https://img.shields.io/badge/Python-3.6%20%7C%203.7%20%7C%203.8%20%7C%203.9%20%7C%203.10-informational)](https://www.python.org/)
+[![Python](https://img.shields.io/badge/Python-3.7%20%7C%203.7%20%7C%203.8%20%7C%203.9%20%7C%203.10-informational)](https://www.python.org/)
 [![Qiskit](https://img.shields.io/badge/Qiskit-%E2%89%A5%200.34.2-6133BD)](https://github.com/Qiskit/qiskit)
 [![Qiskit Optimization](https://img.shields.io/badge/Qiskit%20Optimization-%E2%89%A5%200.3.0-6133BD)](https://github.com/Qiskit/qiskit-optimization)
 [![License](https://img.shields.io/github/license/qiskit-community/prototype-qrao?label=License)](https://github.com/qiskit-community/prototype-qrao/blob/main/LICENSE.txt)
@@ -66,7 +66,7 @@ Quantum random access optimization is composed of two main steps as shown in the
 
 ### Installation
 
-Python 3.6 or higher is required.  Full installation instructions are provided in [`INSTALL.md`](INSTALL.md), but here is a quick summary:
+Python 3.7 or higher is required.  Full installation instructions are provided in [`INSTALL.md`](INSTALL.md), but here is a quick summary:
 
 ```sh
 $ git clone https://github.com/qiskit-community/prototype-qrao.git

requirements.txt

@@ -1,6 +1,6 @@
 certifi>=2021.5.30
 importlib_metadata>=4.8.1,!=5.0.0
-qiskit-terra>=0.19.2
+qiskit-terra>=0.21.0
 qiskit-aer>=0.10.3
 qiskit-ibmq-provider>=0.18.3
 qiskit-optimization>=0.3.0

setup.py

@@ -32,9 +32,7 @@
     long_description_content_type="text/markdown",
     packages=setuptools.find_packages(),
     install_requires=install_requires,
-    python_requires=">=3.6",
-    # The following line is pinned, else it fails on python 3.6
-    setup_requires=["setuptools_scm<7.0"],
+    python_requires=">=3.7",
     use_scm_version=True,
     classifiers=[
         "Development Status :: 4 - Beta",
@@ -46,7 +44,6 @@
         "Operating System :: MacOS",
         "Operating System :: POSIX :: Linux",
         "Operating System :: Microsoft :: Windows",
-        "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",

tox.ini

@@ -27,8 +27,8 @@ commands =
 [testenv:lint]
 commands =
   black --check .
-  pylint -rn --py-version=3.6 --disable=fixme,invalid-name,missing-function-docstring,protected-access,duplicate-code qrao tests
-  nbqa pylint -rn --py-version=3.6 --disable=missing-module-docstring,wrong-import-position,invalid-name,missing-function-docstring,pointless-statement,duplicate-code docs/ tests/
+  pylint -rn --py-version=3.7 --disable=fixme,invalid-name,missing-function-docstring,protected-access,duplicate-code qrao tests
+  nbqa pylint -rn --py-version=3.7 --disable=missing-module-docstring,wrong-import-position,invalid-name,missing-function-docstring,pointless-statement,duplicate-code docs/ tests/
   mypy qrao tests
 
 [testenv:black]