Bump Python version to 3.8.5

README.md

@@ -39,7 +39,7 @@ Note that you can copy/paste commands!
 ## Clone this repository
 
 Clone the repository with Mercurial (and the extension hg-git, as explained
-`here <https://fluiddyn.readthedocs.io/en/latest/mercurial_heptapod.html>`_):
+[here](https://fluiddyn.readthedocs.io/en/latest/mercurial_heptapod.html)):
 
 ```
 hg clone https://gricad-gitlab.univ-grenoble-alpes.fr/meige-legi/scientific-computing-m2-efm.git
@@ -66,4 +66,4 @@ To see the presentations made from the notebooks:
 ```
 make presentations
 make serve
-```
\ No newline at end of file
+```

requirements.txt

 # to be used with:
 # conda install --file requirements.txt
 # utilities
-python==3.7.4
+python==3.8.5
 spyder
 ipython
 spyder