###### Meeting 14 April 21 Summary #######
Participants:

* Topcis
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1. Rules for adding new routines and extending existing routines.

In the long term we should have test functions. (WD, SC)
Build on the existing test in pc/python/pencil/tests
Send regular emails to PC Python group to stick to coding rules. (IRL, SC)


2. Unified format for doc string.

Have all sections for every function:
General definition, Signature, Parameters, Returns, Return Type, Examples, (Notes)
Add section to the style guide about the documentation. (IRL)
Send email about unified doc string. (IRL, SC)


3. Usage of Black.

Add to the style guide that everyone should run Black when
making changes and additions. (IRL)
Send an email to the PC Python discussion group. (WD)


4. pv plots: should we extend?

Email authors of the visu/pv_* routines. (SC)