adding GitHub actions workflow

.coveragerc

+[run]
+relative_files = true

.github/workflows/test.yml

+name: Tests
+
+on:
+  push:
+    branches:
+      - master
+      - gh-actions
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  style:
+    name: "Check code style"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: 3.7
+      - name: Install dependencies
+        run: |
+          python -m pip install -U pip
+          python -m pip install -U black flake8
+      - name: Check the style
+        run: |
+          black -t py36 --check theano/ tests/ setup.py
+          flake8
+
+  test:
+    name: "Test py${{ matrix.python-version }}: ${{ matrix.part }}"
+    needs: style
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.6", "3.7"]
+        fast-compile: [0]
+        float32: [0]
+        part: 
+          - "tests --ignore=tests/tensor --ignore=tests/sparse --ignore=tests/tensor/nnet"
+          - "tests/tensor tests/sparse --ignore=tests/tensor/test_basic.py --ignore=tests/tensor/test_elemwise.py --ignore=tests/tensor/test_opt.py --ignore=tests/tensor/nnet"
+          - "tests/tensor/test_basic.py"
+          - "tests/tensor/test_elemwise.py tests/tensor/test_opt.py"
+          - "tests/tensor/nnet --ignore-glob='*/test_abstract_conv.py'"
+          - "tests/tensor/nnet/test_abstract_conv.py"
+        include:
+          - python-version: "3.7"
+            fast-compile: 1
+            float32: 1
+            part: "tests --ignore=tests/tensor/nnet --ignore=tests/tensor/signal"
+          - python-version: "3.7"
+            fast-compile: 1
+            float32: 0
+            part: "tests --ignore=tests/tensor/nnet --ignore=tests/tensor/signal"
+          - python-version: "3.7"
+            fast-compile: 1
+            float32: 1
+            part: "tests/tensor/nnet"
+          - python-version: "3.7"
+            fast-compile: 1
+            float32: 0
+            part: "tests/tensor/nnet"
+          - python-version: "3.7"
+            fast-compile: 1
+            float32: 1
+            part: "tests/tensor/signal"
+          - python-version: "3.7"
+            fast-compile: 1
+            float32: 0
+            part: "tests/tensor/signal"
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Set up Python ${{ matrix.python-version }}
+        uses:  conda-incubator/setup-miniconda@v1
+        with:
+          python-version: ${{ matrix.python-version }}
+          auto-update-conda: true
+
+      # Setup
+      - name: Install dependencies
+        shell: bash -l {0}
+        run: |
+          conda install --yes -q mkl numpy scipy pip mkl-service graphviz cython libgpuarray pygpu
+          if [[ "$PYTHON_VERSION" != "3.6" ]]; then conda install --yes -q -c conda-forge jax jaxlib; fi
+          pip install -q -r requirements.txt
+          conda list && pip freeze
+          python -c 'import theano; print(theano.config.__str__(print_doc=False))'
+          python -c 'import theano; assert(theano.config.blas.ldflags != "")'
+        env:
+          PYTHON_VERSION: ${{ matrix.python-version }}
+
+      - name: Run tests
+        shell: bash -l {0}
+        run: |
+          if [[ $FAST_COMPILE == "1" ]]; then export THEANO_FLAGS=$THEANO_FLAGS,mode=FAST_COMPILE; fi
+          if [[ $FLOAT32 == "1" ]]; then export THEANO_FLAGS=$THEANO_FLAGS,floatX=float32; fi
+          export THEANO_FLAGS=$THEANO_FLAGS,warn.ignore_bug_before=all,on_opt_error=raise,on_shape_error=raise,gcc.cxxflags=-pipe
+          python -m pytest -x -r A --verbose --runslow --cov=theano/ --cov-append --no-cov-on-fail $PART
+        env:
+          MKL_THREADING_LAYER: GNU
+          MKL_NUM_THREADS: 1
+          OMP_NUM_THREADS: 1
+          PART: ${{ matrix.part }}
+          FAST_COMPILE: ${{ matrix.fast-compile }}
+          FLOAT32: ${{ matrix.float32 }}
+
+      - name: Coverage
+        uses: exoplanet-dev/coveralls-python-action@develop
+        continue-on-error: true
+        with:
+          parallel: true
+
+  coverage:
+    name: "Upload coverage"
+    needs: test
+    runs-on: ubuntu-latest
+    steps:
+    - name: Coveralls Finished
+      uses: exoplanet-dev/coveralls-python-action@develop
+      with:
+        parallel-finished: true

.travis.yml

-os: linux
-dist: xenial
-cache:
-  directories:
-    - $HOME/.cache/pip
-    - $HOME/.theano
-    - $HOME/download
-    - $HOME/miniconda
-
-language: python
-
-python:
-  - "3.7"
-  - "3.6"
-
-stages:
-  - style-checks
-  - test
-
-env:
-  global:
-    - NUMPY_VERSION=1.18.1
-  jobs:
-    - PART="tests --ignore=tests/tensor --ignore=tests/sparse --ignore=tests/tensor/nnet"
-    - PART="tests/tensor tests/sparse --ignore=tests/tensor/test_basic.py --ignore=tests/tensor/test_elemwise.py --ignore=tests/tensor/test_opt.py --ignore=tests/tensor/nnet"
-    - PART="tests/tensor/test_basic.py"
-    - PART="tests/tensor/test_elemwise.py tests/tensor/test_opt.py"
-    - PART="tests/tensor/nnet --ignore-glob='*/test_abstract_conv.py'"
-    - PART="tests/tensor/nnet/test_abstract_conv.py"
-
-addons:
-  apt_packages:
-    - texlive-latex-recommended
-    - texlive-latex-extra
-    - texlive-fonts-recommended
-    - dvipng
-
-before_install:
-  - |
-    if test -e $HOME/miniconda/bin ; then
-        echo "miniconda already installed."
-    else
-        echo "Installing miniconda."
-        rm -rf $HOME/miniconda
-        mkdir -p $HOME/download
-        if [[ -d $HOME/download/miniconda.sh ]] ; then rm -rf $HOME/download/miniconda.sh ; fi
-        wget -c https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh -O $HOME/download/miniconda.sh
-        mkdir $HOME/.conda
-        bash $HOME/download/miniconda.sh -b -p $HOME/miniconda
-    fi
-    $HOME/miniconda/bin/conda init bash
-    source ~/.bash_profile
-    conda activate base
-    hash -r
-    conda config --set always_yes yes --set changeps1 no
-    conda update -q conda
-    conda info -a
-
-install:
-  - conda create --yes -q -n pyenv python=$TRAVIS_PYTHON_VERSION
-  - conda activate pyenv
-  - conda install --yes -q mkl numpy scipy pip mkl-service graphviz cython libgpuarray pygpu
-  - if [[ "$TRAVIS_PYTHON_VERSION" != "3.6" ]]; then conda install --yes -q -c conda-forge jax jaxlib; fi
-  - pip install -q -r requirements.txt
-  - conda list && pip freeze
-  - python -c 'import theano; print(theano.config.__str__(print_doc=False))'
-  - python -c 'import theano; assert(theano.config.blas.ldflags != "")'
-
-jobs:
-  include:
-    - stage: style-checks
-      script:
-        - black -t py36 --check theano/ tests/ setup.py
-        - flake8
-      after_success: skip
-    - &normaltest
-      stage: test
-      env: FAST_COMPILE=1 FLOAT32=1 PART="tests --ignore=tests/tensor/nnet --ignore=tests/tensor/signal"
-    - <<: *normaltest
-      env: FAST_COMPILE=1 PART="tests --ignore=tests/tensor/nnet --ignore=tests/tensor/signal"
-    - <<: *normaltest
-      env: FAST_COMPILE=1 FLOAT32=1 PART="tests/tensor/nnet"
-    - <<: *normaltest
-      env: FAST_COMPILE=1 PART="tests/tensor/nnet"
-    - <<: *normaltest
-      env: FAST_COMPILE=1 FLOAT32=1 PART="tests/tensor/signal"
-    - <<: *normaltest
-      env: FAST_COMPILE=1 PART="tests/tensor/signal"
-
-script:
-  - conda activate pyenv
-  - if [[ $FAST_COMPILE == "1" ]]; then export THEANO_FLAGS=$THEANO_FLAGS,mode=FAST_COMPILE; fi
-  - if [[ $FLOAT32 == "1" ]]; then export THEANO_FLAGS=$THEANO_FLAGS,floatX=float32; fi
-  - export THEANO_FLAGS=$THEANO_FLAGS,warn.ignore_bug_before=all,on_opt_error=raise,on_shape_error=raise,gcc.cxxflags=-pipe
-  - export MKL_THREADING_LAYER=GNU
-  - export MKL_NUM_THREADS=1
-  - export OMP_NUM_THREADS=1
-  - echo "$PART"
-  - pytest -x -r A --verbose --runslow --cov=theano/ --cov-append --no-cov-on-fail $PART
-
-after_success:
-  - coveralls
-
-after_failure:
-  - cat $HOME/.pip/pip.log