v0.4.3-001 - Grassmann's Graph (May, 12, 2021)
++++++++++++++++++++++++++++++++++++++++++++++

Documentation
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- Some minor changes in documentation.

Other Changes
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- Check for :code:`key in dictionary` instead of
  :code:`key in dictionary.keys()` in boolean operations
  (`PR #264 <https://github.com/oemof/tespy/pull/264>`_).
- Rename GitHub branches: master to main
  (`Issue #266 <https://github.com/oemof/tespy/issues/266>`_).

Contributors
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- Francesco Witte (`@fwitte <https://github.com/fwitte>`_)
