Merge pull request #192 from jngrad/newer-scipy-version

Install a newer version of scipy

docker/Dockerfile-ubuntu-20.04

@@ -36,6 +36,7 @@ RUN pip3 install --user \
   pre-commit \
   'sphinx>=2.0,!=2.1.0,!=3.0.0' \
   sphinxcontrib-bibtex \
+  scipy==1.6.0 \
   'MDAnalysis>=0.18' \
   'pint>=0.9'
 WORKDIR /home/espresso