Replace all references to python2.7 with python3.8

Run:

```
find . -type f -print0 | xargs -0 sed -i \
"s|lib/python2.7/site-packages|lib/python3.8/site-packages|g"
```

3 files changed, 6 insertions, 6 deletions

diff --git a/doc/GUIX-Reproducible-from-source.org b/doc/GUIX-Reproducible-from-source.org
index 19e4d14f..fffa9571 100644
--- a/doc/GUIX-Reproducible-from-source.org
+++ b/doc/GUIX-Reproducible-from-source.org
@@ -167,7 +167,7 @@ the Guix suggested environment vars. Check the output of
 
 #+begin_src bash
 guix package --search-paths
-export PYTHONPATH="/root/.guix-profile/lib/python2.7/site-packages"
+export PYTHONPATH="/root/.guix-profile/lib/python3.8/site-packages"
 export R_LIBS_SITE="/root/.guix-profile/site-library/"
 #+end_src
 
@@ -265,7 +265,7 @@ software.
 If something is not working, take a hint from the settings file
 that comes in the Guix installation. It sits in something like
 
-: cat ~/.guix-profile/lib/python2.7/site-packages/genenetwork2-2.0-py2.7.egg/etc/default_settings.py
+: cat ~/.guix-profile/lib/python3.8/site-packages/genenetwork2-2.0-py2.7.egg/etc/default_settings.py
 
 ** Set up nginx port forwarding
 
@@ -380,7 +380,7 @@ After setting the paths for the server
 
 #+begin_src bash
 export PATH=~/.guix-profile/bin:$PATH
-export PYTHONPATH="$HOME/.guix-profile/lib/python2.7/site-packages"
+export PYTHONPATH="$HOME/.guix-profile/lib/python3.8/site-packages"
 export R_LIBS_SITE="$HOME/.guix-profile/site-library/"
 export GUIX_GTK3_PATH="$HOME/.guix-profile/lib/gtk-3.0"
 export GI_TYPELIB_PATH="$HOME/.guix-profile/lib/girepository-1.0"
diff --git a/doc/README.org b/doc/README.org
index 46df03c7..43c92e3c 100644
--- a/doc/README.org
+++ b/doc/README.org
@@ -218,7 +218,7 @@ information given by guix:
 
 On one system:
 
-: export PYTHONPATH="$HOME/.guix-profile/lib/python2.7/site-packages"
+: export PYTHONPATH="$HOME/.guix-profile/lib/python3.8/site-packages"
 : export R_LIBS_SITE="$HOME/.guix-profile/site-library/"
 : export GEM_PATH="$HOME/.guix-profile/lib/ruby/gems/2.2.0"
 
diff --git a/doc/development.org b/doc/development.org
index e65ccd58..cd3beea3 100644
--- a/doc/development.org
+++ b/doc/development.org
@@ -67,11 +67,11 @@ You can install a Python package locally with pip, e.g.
 pip install hjson
 #+END_SRC
 
-This installed in ~$HOME/.local/lib/python2.7/site-packages~. To add
+This installed in ~$HOME/.local/lib/python3.8/site-packages~. To add
 the search path for GeneNetwork use the environment variable
 
 #+BEGIN_SRC sh
-export PYTHON_GN_PATH=$HOME/.local/lib/python2.7/site-packages
+export PYTHON_GN_PATH=$HOME/.local/lib/python3.8/site-packages
 #+END_SRC
 
 Now you should be able to do