refactor

.github/CODEOWNERS

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+# This file defines the persons who will be assigned as reviewers for PRs that
+# modify particular files in the repo. The PR can be merged when approved by at
+# least one codeowner. However, all Qiskit team members can (and should!) review the PRs.
+
+# Global rule, unless specialized by a later one
+* @stefan-woerner @pbark @manoelmarques @woodsp-ibm
+

.github/ISSUE_TEMPLATE/BUG_REPORT.md

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+---
+name: 🐛 Bug report
+about: Create a report to help us improve 🤔.
+---
+
+<!-- ⚠️ If you do not respect this template, your issue will be closed -->
+<!-- ⚠️ Make sure to browse the opened and closed issues -->
+
+### Information
+
+- **Qiskit Aqua version**:
+- **Python version**:
+- **Operating system**:
+
+### What is the current behavior?
+
+
+
+### Steps to reproduce the problem
+
+
+
+### What is the expected behavior?
+
+
+
+### Suggested solutions
+
+

.github/ISSUE_TEMPLATE/ENHANCEMENT_REQUEST.md

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+---
+name: 💅 Enhancement request
+about: Suggest an improvement for this project 🆒!
+---
+
+<!-- ⚠️ If you do not respect this template, your issue will be closed -->
+<!-- ⚠️ Make sure to browse the opened and closed issues to confirm this idea does not exist. -->
+
+### What is the expected enhancement?
+
+

.github/ISSUE_TEMPLATE/FEATURE_REQUEST.md

@@ -0,0 +1,11 @@
+---
+name: 🚀 Feature request
+about: Suggest an idea for this project 💡!
+---
+
+<!-- ⚠️ If you do not respect this template, your issue will be closed -->
+<!-- ⚠️ Make sure to browse the opened and closed issues to confirm this idea does not exist. -->
+
+### What is the expected behavior?
+
+

.github/PULL_REQUEST_TEMPLATE.md

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+<!--
+⚠️ If you do not respect this template, your pull request will be closed.
+⚠️ Your pull request title should be short detailed and understandable for all.
+⚠️ Also, please add it in the CHANGELOG file under Unreleased section.
+⚠️ If your pull request fixes an open issue, please link to the issue.
+
+✅ I have added the tests to cover my changes.
+✅ I have updated the documentation accordingly.
+✅ I have read the CONTRIBUTING document.
+-->
+
+### Summary
+
+
+
+### Details and comments
+
+

.github/actions/install-libraries/action.yml

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+# This code is part of Qiskit.
+#
+# (C) Copyright IBM 2021.
+#
+# This code is licensed under the Apache License, Version 2.0. You may
+# obtain a copy of this license in the LICENSE.txt file in the root directory
+# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
+#
+# Any modifications or derivative works of this code must retain this
+# copyright notice, and modified files need to carry a notice indicating
+# that they have been altered from the originals.
+
+name: 'Install Libraries'
+description: 'Installs Python and Binary Libraries'
+
+runs:
+  using: "composite"
+  steps: 
+    - run : |
+        if [ -f "$HOME/miniconda/etc/profile.d/conda.sh" ]; then
+          source "$HOME/miniconda/etc/profile.d/conda.sh"
+          conda activate
+          # for this version of miniconda downgrade pip
+          pip install --upgrade --force-reinstall pip==9.0.3
+        else
+          pip install -U pip
+          pip install -U setuptools wheel
+        fi
+      shell: bash

.github/actions/install-master-dependencies/action.yml

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+# This code is part of Qiskit.
+#
+# (C) Copyright IBM 2021.
+#
+# This code is licensed under the Apache License, Version 2.0. You may
+# obtain a copy of this license in the LICENSE.txt file in the root directory
+# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
+#
+# Any modifications or derivative works of this code must retain this
+# copyright notice, and modified files need to carry a notice indicating
+# that they have been altered from the originals.
+
+name: 'Install Qiskit Aqua Master Dependencies'
+description: 'Installs Python dependencies from Master'
+
+runs:
+  using: "composite"
+  steps: 
+    - run : |
+        if [ -f "$HOME/miniconda/etc/profile.d/conda.sh" ]; then
+          source "$HOME/miniconda/etc/profile.d/conda.sh"
+          conda activate
+        fi
+        pip install https://github.com/Qiskit/qiskit-terra/archive/master.zip
+        pip install https://github.com/Qiskit/qiskit-ibmq-provider/archive/master.zip
+        sudo apt-get -y install g++-7
+        sudo apt-get -y install libopenblas-dev
+        git clone https://github.com/Qiskit/qiskit-aer.git /tmp/qiskit-aer
+        cd /tmp/qiskit-aer
+        pip install -U -c /tmp/qiskit-aer/constraints.txt -r /tmp/qiskit-aer/requirements-dev.txt
+        python /tmp/qiskit-aer/setup.py bdist_wheel -- -DCMAKE_CXX_COMPILER=g++-7 -DAER_THRUST_BACKEND=OMP -- -j4
+        pip install /tmp/qiskit-aer/dist/qiskit_aer*whl
+        pip install https://github.com/Qiskit/qiskit-aqua/archive/master.zip
+      shell: bash

.github/actions/install-nature/action.yml

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+# This code is part of Qiskit.
+#
+# (C) Copyright IBM 2021.
+#
+# This code is licensed under the Apache License, Version 2.0. You may
+# obtain a copy of this license in the LICENSE.txt file in the root directory
+# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
+#
+# Any modifications or derivative works of this code must retain this
+# copyright notice, and modified files need to carry a notice indicating
+# that they have been altered from the originals.
+
+name: 'Install Qiskit Aqua'
+description: 'Installs Qiskit Aqua on developer mode'
+
+runs:
+  using: "composite"
+  steps: 
+    - run : |
+        if [ -f "$HOME/miniconda/etc/profile.d/conda.sh" ]; then
+          source "$HOME/miniconda/etc/profile.d/conda.sh"
+          conda activate
+        fi
+        pip install -e .[pyscf]
+        pip install -U -c constraints.txt -r requirements-dev.txt
+      shell: bash

.github/actions/install-psi4/action.yml

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+# This code is part of Qiskit.
+#
+# (C) Copyright IBM 2021.
+#
+# This code is licensed under the Apache License, Version 2.0. You may
+# obtain a copy of this license in the LICENSE.txt file in the root directory
+# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
+#
+# Any modifications or derivative works of this code must retain this
+# copyright notice, and modified files need to carry a notice indicating
+# that they have been altered from the originals.
+
+name: 'Install PSI4'
+description: 'Installs Anaconda with PSI4'
+
+runs:
+  using: "composite"
+  steps: 
+    - run : |
+        wget http://vergil.chemistry.gatech.edu/psicode-download/Psi4conda-1.3.2-py37-Linux-x86_64.sh --tries=3 -O miniconda.sh || echo "Psi4 download failed"
+        if [ -f "miniconda.sh" ]; then
+            bash miniconda.sh -b -p $HOME/miniconda
+        fi
+      shell: bash

.github/actions/run-tests/action.yml

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+# This code is part of Qiskit.
+#
+# (C) Copyright IBM 2021.
+#
+# This code is licensed under the Apache License, Version 2.0. You may
+# obtain a copy of this license in the LICENSE.txt file in the root directory
+# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
+#
+# Any modifications or derivative works of this code must retain this
+# copyright notice, and modified files need to carry a notice indicating
+# that they have been altered from the originals.
+
+name: 'Run Unit Tests'
+description: 'Run Unit Tests'
+inputs:
+  python-version:
+    description: 'Python version'
+    required: true
+runs:
+  using: "composite"
+  steps: 
+    - run: |
+        if [ -f "$HOME/miniconda/etc/profile.d/conda.sh" ]; then
+          source "$HOME/miniconda/etc/profile.d/conda.sh"
+          conda activate
+        fi
+        if [ "${{ inputs.python-version }}" == "3.7" ]; then
+          export PYTHON="coverage3 run --source qiskit_nature --omit */gauopen/* --parallel-mode"
+        fi
+        stestr --test-path test run 2> >(tee /dev/stderr out.txt > /dev/null)
+      shell: bash

.github/workflows/deploy.yml

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+# This code is part of Qiskit.
+#
+# (C) Copyright IBM 2021.
+#
+# This code is licensed under the Apache License, Version 2.0. You may
+# obtain a copy of this license in the LICENSE.txt file in the root directory
+# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
+#
+# Any modifications or derivative works of this code must retain this
+# copyright notice, and modified files need to carry a notice indicating
+# that they have been altered from the originals.
+
+name: Deployment
+
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  Deploy:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.7]
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Deploy to Pypi
+        env:
+          TWINE_PASSWORD: ${{ secrets.TWINE_PASSWORD }}
+          TWINE_USERNAME: qiskit
+        run : |
+          pip install -U twine pip setuptools virtualenv wheel
+          python3 setup.py sdist bdist_wheel
+          twine upload dist/qiskit*
+        shell: bash