Drop python 3.7 support

.github/workflows/deploy-code.yml

@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7]
+        python-version: [3.8]
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4

.github/workflows/main.yml

@@ -116,7 +116,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        python-version: [3.7, 3.8, 3.9, '3.10', 3.11]
+        python-version: [3.8, 3.9, '3.10', 3.11]
         include:
           - os: macos-latest
             python-version: 3.8
@@ -222,7 +222,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        python-version: [3.7, 3.8]
+        python-version: [3.8, 3.11]
     steps:
       - uses: actions/checkout@v3
         with:
@@ -307,10 +307,6 @@ jobs:
       - uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
-      - uses: actions/download-artifact@v3
-        with:
-          name: ubuntu-latest-3.7
-          path: /tmp/o37
       - uses: actions/download-artifact@v3
         with:
           name: ubuntu-latest-3.8
@@ -348,7 +344,7 @@ jobs:
         shell: bash
       - name: Combined Deprecation Messages
         run: |
-          sort -f -u /tmp/o37/opt.dep /tmp/o38/opt.dep /tmp/o39/opt.dep /tmp/o310/opt.dep /tmp/o311/opt.dep /tmp/m38/opt.dep /tmp/m310/opt.dep /tmp/w38/opt.dep /tmp/w310/opt.dep || true
+          sort -f -u /tmp/o38/opt.dep /tmp/o39/opt.dep /tmp/o310/opt.dep /tmp/o311/opt.dep /tmp/m38/opt.dep /tmp/m310/opt.dep /tmp/w38/opt.dep /tmp/w310/opt.dep || true
         shell: bash
       - name: Coverage combine
         run: coverage3 combine /tmp/o38/opt.dat

pyproject.toml

@@ -4,4 +4,4 @@ build-backend = "setuptools.build_meta"
 
 [tool.black]
 line-length = 100
-target-version = ['py37', 'py38', 'py39', 'py310']
+target-version = ['py38', 'py39', 'py310', 'py311']

releasenotes/notes/drop_python_37-c640811d7c84520e.yaml

@@ -0,0 +1,6 @@
+---
+upgrade:
+  - |
+    Support for running with Python 3.7 has been removed.
+    To run Qiskit Optimization you need a minimum Python version of 3.8.
+

setup.py

@@ -61,7 +61,6 @@
         "Operating System :: MacOS",
         "Operating System :: POSIX :: Linux",
         "Programming Language :: Python :: 3 :: Only",
-        "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
@@ -72,7 +71,7 @@
     packages=setuptools.find_packages(include=["qiskit_optimization", "qiskit_optimization.*"]),
     install_requires=REQUIREMENTS,
     include_package_data=True,
-    python_requires=">=3.7",
+    python_requires=">=3.8",
     extras_require={
         "cplex": ["cplex"],
         "cvx": ["cvxpy"],

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 minversion = 3.3.0
-envlist = py37, py38, py39, py310, py311, lint
+envlist = py38, py39, py310, py311, lint
 skipsdist = True
 
 [testenv]