Update dependency pydot to v2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
pydot (changelog)	^1.4.2 -> ^2.0.0

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Release Notes

pydot/pydot (pydot)

v2.0.0

Compare Source

Changed:

• Broken parsing caused by pyparsing updates fixed. (#​296)
  With this, the pydot project rises from the dead.

• (Internal) CI revived by @​ferdnyc. (#​302)
  Modernized and clarified the development process.
  Testing is done against multiple Python versions.

• Reorganized package/module structure. (#​230)
  The pydot package is installed as a directory now instead of as
  two modules:

  Before (pydot 0.x, 1.x)    After (pydot 2.x)
  
  site-packages/             site-packages/
  |-- pydot.py               `-- pydot/
  `-- dot_parser.py              |-- __init__.py
                                 |-- core.py
                                 |-- dot_parser.py
                                 `-- exceptions.py
  

  This is mostly an internal change that should go unnoticed by most
  users, especially those upgrading through pip or a software
  distribution. import pydot should work as it did before.
  Special cases:

  • import dot_parser no longer works. Change it to
    from pydot import dot_parser or see if you can use the wrappers
    pydot.graph_from_dot_data() or pydot.graph_from_dot_file().

    USER FEEDBACK REQUESTED
    We assume pydot users do not often directly import dot_parser.
    If you do, please report your reasons, so that we can consider
    making it available again before the final releashttps://github.com/pydot/pydot/issues/230m/Restructure package and module organization pydot/pydot#230

  • If you use pydot from a (cloned) pydot source tree:

    • The pydot source modules moved from the top directory to
      subdirectory src/pydot/.
    • When using a PYTHONPATH environment variable: Append /src,
      e.g. PYTHONPATH=~/Development/pydot/src. If you need to switch
      between pydot 1.x and pydot 2.x, add both, e.g.
      PYTHONPATH=~/Development/pydot/src:~/Development/pydot
    • When using an editable install (development mode): Re-run
      pip install -e . from the top directory of the source tree to
      update the links.

  • For users of the test suite:

    • The test suite no longer refuses to run from the top of the
      source tree.
    • This makes the test suite option --no-check redundant. It has
      no effect except for printing a deprecation warning. It will be
      removed in a future major release (pydot 3 or higher), then
      leading to an error.

• Reorganized exception hierarchy: (#​230)

  • New base class PydotException, derived from Python's Exception.
  • Pydot's Error exception class is now derived from PydotException
    instead of from Python's built-in Exception directly. Existing
    handlers should not be affected.
  • Exception class InvocationException was removed. It has not been
    raised by pydot since 2016 (v1.2.0).

• API (minor): Renamed the first parameter of the parser functions
  listed below from str to s. These functions primarily exist for
  internal use and would normally be called using positional arguments,
  so few users should be affected. (#​229)
  push_top_graph_stmt(s, loc, toks)
  push_graph_stmt(s, loc, toks)
  push_subgraph_stmt(s, loc, toks)
  push_default_stmt(s, loc, toks)
  push_attr_list(s, loc, toks)
  push_edge_stmt(s, loc, toks)

Deprecated:

• Test suite option --no-check. See "Reorganized package/module
  structure" above.

Removed:

• Drop support for Python 2 and Python < 3.7. (#​229, #​302, #​296).
  USER FEEDBACK REQUESTED
  ~~We are considering if pydot 2.0 should drop support for Python 3.5
  and 3.6 as well. If this would affect you, please leave a cohttps://github.com/pydot/pydot/issues/268ot/issues/268.~~
  EDIT: This was decided to be done, with a lot of time passed since this entry.

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