Reconfigured generic python module section

docs/Software_installation.md

@@ -107,7 +107,15 @@ mkdir resource
 mv /home/u035/project/software/install/1000G_phase3_hg38/1000g.phase3.100k.b38* resource/
 ```
 
-## VASE
+## Python modules
+
+Users should include this line in any shell scripts requiring these modules:
+
+```
+export PYTHONPATH=/home/u035/project/software/lib/python3.6/site-packages
+```
+
+### VASE
 
 VASE was installed following the instructions at https://github.com/david-a-parry/vase, downloaded 27 August 2020.
 
@@ -118,13 +126,7 @@ cd vase
 /home/u035/project/software/bcbio/anaconda/bin/python3 setup.py install --prefix /home/u035/project/software
 ```
 
-Users should include this line in any shell scripts calling VASE:
-
-```
-export PYTHONPATH=/home/u035/project/software/lib/python3.6/site-packages
-```
-
-## XlsxWriter
+### XlsxWriter
 
 ```
 cd /home/u035/project/software/install
@@ -132,5 +134,3 @@ git clone https://github.com/jmcnamara/XlsxWriter.git
 cd XlsxWriter
 /home/u035/project/software/bcbio/anaconda/bin/python3 setup.py install --prefix /home/u035/project/software
 ```
-
-See above for PYTHONPATH.
\ No newline at end of file