Merge pull request #167 from anderso/master

Upgrade plotly from 4.x to 5.x

Author: tonybaloney

.github/workflows/ci.yml

@@ -35,7 +35,8 @@ jobs:
           python-version: "${{ matrix.python-version }}"
       - name: install dependencies
         run: |
-          pip install --upgrade pip wheel flit
+          python -m pip install -U pip
+          pip install wheel flit
           flit install --extras=all
       - name: lint and test
         run: make ci

pyproject.toml

@@ -26,7 +26,7 @@ requires = [
     "nbformat>=5.1.3,<6.0.0",
     "colorlog>=4.0.0,<5.0.0",
     "tabulate>=0.8.2,<1.0.0",
-    "plotly>=4.0.0,<5.0.0",
+    "plotly>=4.0.0,<6.0.0",
     "progress>=1.4,<2.0",
     "dataclasses; python_version == '3.6'",
 ]