From b32d62e65aa75a233a81a61d3d1e1619dac5efba Mon Sep 17 00:00:00 2001
From: Eric Charles <eric@datalayer.io>
Date: Wed, 4 Dec 2019 11:10:52 -0600
Subject: [PATCH 1/2] revert back to python 3.5

---
 .github/workflows/main.yml | 2 +-
 .travis.yml                | 2 ++
 appveyor.yml               | 2 ++
 setup.py                   | 5 +++--
 4 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 0ecdb26e3d..d009d1f275 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -12,7 +12,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: [ '3.6', '3.7', '3.8' ]
+        python-version: [ '3.5', '3.6', '3.7', '3.8' ]
     steps:
     - name: Checkout
       uses: actions/checkout@v1
diff --git a/.travis.yml b/.travis.yml
index e54bdc53cd..d2014875b8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -52,6 +52,8 @@ script:
 
 matrix:
     include:
+        - python: 3.5
+          env: GROUP=python
         - python: 3.6
           env: GROUP=python
         - python: 3.7
diff --git a/appveyor.yml b/appveyor.yml
index e9ffcf425b..d3b50146c6 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -4,6 +4,8 @@ matrix:
 
 environment:
   matrix:
+    - CONDA_PY: 35
+      CONDA_INSTALL_LOCN: "C:\\Miniconda36-x64"
     - CONDA_PY: 36
       CONDA_INSTALL_LOCN: "C:\\Miniconda36-x64"
     - CONDA_PY: 37
diff --git a/setup.py b/setup.py
index 010025f3e5..f78fd6be95 100755
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,7 @@
 
 # Minimal Python version sanity check
 if sys.version_info < (3,6):
-    error = "ERROR: %s requires Python version 3.6 or above." % name
+    error = "ERROR: %s requires Python version 3.5 or above." % name
     print(error, file=sys.stderr)
     sys.exit(1)
 
@@ -67,6 +67,7 @@
         'License :: OSI Approved :: BSD License',
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
     ],
@@ -94,7 +95,7 @@
                  'nbval', 'nose-exclude', 'selenium', 'pytest', 'pytest-cov'],
         'test:sys_platform == "win32"': ['nose-exclude'],
     },
-    python_requires = '>=3.6',
+    python_requires = '>=3.5',
     entry_points = {
         'console_scripts': [
             'jupyter-server = jupyter_server.serverapp:main',

From e870a3e3275f96a499fbc7a423c0f6c0ce0c4d6c Mon Sep 17 00:00:00 2001
From: Eric Charles <eric@datalayer.io>
Date: Wed, 4 Dec 2019 12:45:54 -0600
Subject: [PATCH 2/2] set minimal veersion to 3.5

---
 .travis.yml | 2 ++
 setup.py    | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index d2014875b8..85cec18987 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -60,6 +60,8 @@ matrix:
           env: GROUP=python
         - python: 3.8
           env: GROUP=python
+        - python: 3.5
+          env: GROUP=docs
         - python: 3.6
           env: GROUP=docs
         - python: 3.7
diff --git a/setup.py b/setup.py
index f78fd6be95..9b76f5dcba 100755
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
 name = "jupyter_server"
 
 # Minimal Python version sanity check
-if sys.version_info < (3,6):
+if sys.version_info < (3,5):
     error = "ERROR: %s requires Python version 3.5 or above." % name
     print(error, file=sys.stderr)
     sys.exit(1)