[NOTICKET] Add python 3.9 support to shopkeep/pyenv (#21)

Author: PradeepNallu

pyenv/Dockerfile

@@ -23,8 +23,9 @@ RUN pyenv install 2.7.15
 RUN pyenv install 3.5.5
 RUN pyenv install 3.6.5
 RUN pyenv install 3.7.0
+RUN pyenv install 3.9.13
 RUN pyenv rehash
-RUN pyenv global 3.7.0 3.6.5 3.5.5 2.7.15
+RUN pyenv global 3.9.13 3.7.0 3.6.5 3.5.5 2.7.15
 
 # install build and test dependencies
 RUN pip install --upgrade pip tox wheel

pyenv/README.md

@@ -10,6 +10,7 @@ The following Python versions are available in this image:
 - 3.5.5
 - 3.6.5
 - 3.7.0
+- 3.9.13
 
 ## Available libraries