Removing/replacing Py3.6 references. (#5161)

.circleci/smoke_test/docker/Dockerfile

@@ -25,12 +25,12 @@ RUN apt-get -qq update && apt-get -qq -y install curl bzip2 libsox-fmt-all \
 
 ENV PATH /opt/conda/bin:$PATH
 
-RUN conda create -y --name python3.6 python=3.6
 RUN conda create -y --name python3.7 python=3.7
 RUN conda create -y --name python3.8 python=3.8
+RUN conda create -y --name python3.9 python=3.9
 SHELL [ "/bin/bash", "-c" ]
 RUN echo "source /usr/local/etc/profile.d/conda.sh" >> ~/.bashrc
-RUN source /usr/local/etc/profile.d/conda.sh && conda activate python3.6 && conda install -y "Pillow>=5.3.0,!=8.3.*"
 RUN source /usr/local/etc/profile.d/conda.sh && conda activate python3.7 && conda install -y "Pillow>=5.3.0,!=8.3.*"
 RUN source /usr/local/etc/profile.d/conda.sh && conda activate python3.8 && conda install -y "Pillow>=5.3.0,!=8.3.*"
+RUN source /usr/local/etc/profile.d/conda.sh && conda activate python3.9 && conda install -y "Pillow>=5.3.0,!=8.3.*"
 CMD [ "/bin/bash"]

.circleci/unittest/linux/scripts/install.sh

@@ -36,11 +36,5 @@ else
     conda install -y -c "pytorch-${UPLOAD_CHANNEL}" "pytorch-${UPLOAD_CHANNEL}"::pytorch[build="*${version}*"] "${cudatoolkit}" pytest
 fi
 
-if [ $PYTHON_VERSION == "3.6" ]; then
-    printf "Installing minimal PILLOW version\n"
-    # Install the minimal PILLOW version. Otherwise, let setup.py install the latest
-    pip install "pillow>=5.3.0,!=8.3.*"
-fi
-
 printf "* Installing torchvision\n"
 python setup.py develop

.circleci/unittest/windows/scripts/install.sh

@@ -30,12 +30,6 @@ fi
 printf "Installing PyTorch with %s\n" "${cudatoolkit}"
 conda install -y -c "pytorch-${UPLOAD_CHANNEL}" -c conda-forge "pytorch-${UPLOAD_CHANNEL}"::pytorch[build="*${version}*"] "${cudatoolkit}" pytest
 
-if [ $PYTHON_VERSION == "3.6" ]; then
-    printf "Installing minimal PILLOW version\n"
-    # Install the minimal PILLOW version. Otherwise, let setup.py install the latest
-    pip install "pillow>=5.3.0,!=8.3.*"
-fi
-
 torch_cuda=$(python -c "import torch; print(torch.cuda.is_available())")
 echo torch.cuda.is_available is $torch_cuda
 

.github/workflows/tests-schedule.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Set up python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.6
+          python-version: 3.7
 
       - name: Upgrade system packages
         run: python -m pip install --upgrade pip setuptools wheel

.pre-commit-config.yaml

@@ -14,7 +14,7 @@ repos:
   #   rev: v2.29.0
   #   hooks:
   #     - id: pyupgrade
-  #       args: [--py36-plus]
+  #       args: [--py37-plus]
   #       name: Upgrade code
 
   - repo: https://github.com/omnilib/ufmt

packaging/pkg_helpers.bash

@@ -183,7 +183,7 @@ retry () {
 }
 
 # Inputs:
-#   PYTHON_VERSION (2.7, 3.5, 3.6, 3.7)
+#   PYTHON_VERSION (3.7, 3.8, 3.9)
 #   UNICODE_ABI (bool)
 #
 # Outputs:
@@ -202,15 +202,6 @@ setup_wheel_python() {
     # Install native CentOS libJPEG, freetype and GnuTLS
     yum install -y libjpeg-turbo-devel freetype gnutls
     case "$PYTHON_VERSION" in
-      2.7)
-        if [[ -n "$UNICODE_ABI" ]]; then
-          python_abi=cp27-cp27mu
-        else
-          python_abi=cp27-cp27m
-        fi
-        ;;
-      3.5) python_abi=cp35-cp35m ;;
-      3.6) python_abi=cp36-cp36m ;;
       3.7) python_abi=cp37-cp37m ;;
       3.8) python_abi=cp38-cp38 ;;
       3.9) python_abi=cp39-cp39 ;;

packaging/torchvision/conda_build_config.yaml

@@ -7,8 +7,7 @@ c_compiler:
 cxx_compiler:
   - vs2017                     # [win]
 python:
-  - 3.5
-  - 3.6
+  - 3.7
 # This differs from target_platform in that it determines what subdir the compiler
 #    will target, not what subdir the compiler package will be itself.
 #    For example, we need a win-64 vs2008_win-32 package, so that we compile win-32

packaging/vs2017/conda_build_config.yaml

@@ -5,8 +5,7 @@ c_compiler:
 cxx_compiler:
   - vs2017                     # [win]
 python:
-  - 3.5
-  - 3.6
+  - 3.7
 # This differs from target_platform in that it determines what subdir the compiler
 #    will target, not what subdir the compiler package will be itself.
 #    For example, we need a win-64 vs2008_win-32 package, so that we compile win-32

packaging/vs2019/conda_build_config.yaml

@@ -5,8 +5,7 @@ c_compiler:
 cxx_compiler:
   - vs2019                     # [win]
 python:
-  - 3.5
-  - 3.6
+  - 3.7
 # This differs from target_platform in that it determines what subdir the compiler
 #    will target, not what subdir the compiler package will be itself.
 #    For example, we need a win-64 vs2008_win-32 package, so that we compile win-32

packaging/wheel/osx_wheel.sh

@@ -21,7 +21,7 @@ rm -rf vision
 git clone https://github.com/pytorch/vision
 pushd vision
 
-desired_pythons=( "2.7" "3.5" "3.6" "3.7" )
+desired_pythons=( "3.7" "3.8" "3.9" )
 # for each python
 for desired_python in "${desired_pythons[@]}"
 do

pyproject.toml

@@ -5,7 +5,7 @@ first_party_detection = false
 [tool.black]
 
 line-length = 120
-target-version = ["py36"]
+target-version = ["py37"]
 
 [tool.ufmt]
 

setup.py

@@ -525,7 +525,7 @@ if __name__ == "__main__":
             "scipy": ["scipy"],
         },
         ext_modules=get_extensions(),
-        python_requires=">=3.6",
+        python_requires=">=3.7",
         cmdclass={
             "build_ext": BuildExtension.with_options(no_python_abi_suffix=True),
             "clean": clean,