message: add package-2019-12 python define
diff: @@ -46,6 +46,17 @@ batch:
  - tag: package-2015-06split
  ```
  +### Tag: package-2019-12 and python
  +
  +These settings apply only when `--tag=package-2019-12 --python` is specified on the command line.
  +Please also specify `--python-sdks-folder=<path to the root directory of your azure-sdk-for-python clone>`.
  +
  +``` yaml $(tag) == 'package-2019-12' && $(python)
  +python:
  + namespace: azure.mgmt.network.v2019_12_01
  + output-folder: $(python-sdks-folder)/network/azure-mgmt-network/azure/mgmt/network/v2019_12_01
  +```
  +
  ### Tag: package-2019-11 and python
  These settings apply only when `--tag=package-2019-11 --python` is specified on the command line.
  