Drop support for Python 3.6

.github/workflows/build.yml

@@ -136,7 +136,7 @@ jobs:
       - name: Build Wheels
         env:
           CIBW_BEFORE_ALL_LINUX: "yum install -y openblas-devel"
-          CIBW_SKIP: "cp310-* pp*"
+          CIBW_SKIP: "cp36-* cp310-* pp*"
           CIBW_TEST_COMMAND: "python {project}/tools/verify_wheels.py"
           CIBW_ENVIRONMENT_WINDOWS: "CMAKE_GENERATOR='Visual Studio 16 2019'"
         run: cibuildwheel --output-dir wheelhouse

.github/workflows/deploy.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Build wheels
         env:
           CIBW_BEFORE_ALL_LINUX: "yum install -y openblas-devel"
-          CIBW_SKIP: "cp310-* pp*"
+          CIBW_SKIP: "cp36-* cp310-* pp*"
           CIBW_TEST_COMMAND: "python {project}/tools/verify_wheels.py"
           CIBW_ENVIRONMENT_WINDOWS: "CMAKE_GENERATOR='Visual Studio 16 2019'"
         run: |
@@ -65,7 +65,7 @@ jobs:
           python -m cibuildwheel --output-dir wheelhouse
         env:
           CIBW_BEFORE_ALL_LINUX: "yum install -y https://dl.fedoraproject.org/pub/epel/7/aarch64/Packages/e/epel-release-7-12.noarch.rpm && yum install -y openblas-devel"
-          CIBW_SKIP: "cp310-* pp*"
+          CIBW_SKIP: "cp36-* cp310-* pp*"
           CIBW_TEST_COMMAND: "python {project}/tools/verify_wheels.py"
           CIBW_ARCHS_LINUX: aarch64
       - uses: actions/upload-artifact@v2
@@ -117,7 +117,7 @@ jobs:
       - name: Build wheels
         env:
           CIBW_BEFORE_ALL: "yum install -y yum-utils wget && wget https://developer.download.nvidia.com/compute/cuda/10.1/Prod/local_installers/cuda-repo-rhel6-10-1-local-10.1.243-418.87.00-1.0-1.x86_64.rpm && rpm -i cuda-repo-rhel6-10-1-local-10.1.243-418.87.00-1.0-1.x86_64.rpm && yum clean all && yum -y install cuda-10-1 openblas-devel"
-          CIBW_SKIP: "cp310-* *-manylinux_i686 pp*"
+          CIBW_SKIP: "cp36-* cp310-* *-manylinux_i686 pp*"
           CIBW_ENVIRONMENT: QISKIT_AER_PACKAGE_NAME=qiskit-aer-gpu AER_THRUST_BACKEND=CUDA CUDACXX=/usr/local/cuda/bin/nvcc
           CIBW_TEST_COMMAND: "python {project}/tools/verify_wheels.py"
         run: |

.github/workflows/tests_linux.yml

@@ -89,7 +89,7 @@ jobs:
     timeout-minutes: 60
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9]
+        python-version: [3.7, 3.8, 3.9]
         os: ["ubuntu-latest"]
     env:
       AER_THRUST_BACKEND: OMP
@@ -113,7 +113,6 @@ jobs:
         run: python -m pip install -U -c constraints.txt -r requirements-dev.txt wheel
       - name: Install terra from source
         run: python -m pip install -U -c constraints.txt git+https://github.com/Qiskit/qiskit-terra
-        if: matrix.python-version != '3.6'
       - name: Install openblas
         run: |
           set -e

releasenotes/notes/drop-python36-61553302523fa240.yaml

@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    Running qiskit-aer with Python 3.6 is no longer supported. Python >= 3.7
+    is no required to install and run qiskit-aer.

setup.py

@@ -131,13 +131,12 @@ def install_needed_req(import_name, package_name=None, min_version=None, max_ver
         "Operating System :: POSIX :: Linux",
         "Programming Language :: C++",
         "Programming Language :: Python :: 3 :: Only",
-        "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Topic :: Scientific/Engineering",
     ],
-    python_requires=">=3.6",
+    python_requires=">=3.7",
     install_requires=requirements,
     setup_requires=setup_requirements,
     include_package_data=True,

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 minversion = 2.1
-envlist = py36, py37, py38, py39, lint
+envlist = py37, py38, py39, lint
 skipsdist = True
 
 [testenv]