* Enable ruff isort rule
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* Preliminary implementation of CFG edge spilling.
* Many tweaks.
* Use little endian; switch to native bytes and msgspec.
* More tweaking.
* Fix test cases.
* Get rid of _all_keys.
* Lint code.
* Type check.
* Preliminary implementation of a spilling CFG graph.
* Fix some test cases.
* Fix another test case.
* Fixes.
* Lint code.
* Implement InEdgeView and OutEdgeView.
* Implement InDegreeView and OutDegreeView.
* Fixes.
* Use (Node.addr, Node.size) as key.
* Fix test cases.
* More fixes.
* Fix CFGENode support.
* Fix the remaining issues.
* Get rid of SpillingCFGGraph.reverse().
* Some refactoring.
* Oops
* Fix perf issue.
* Fix set size change error during key iteration.
* Fix db_batch_size assignment. Fix some test cases.
* SpillingCFGNodeDict.__setstate__: Initialize self._all_keys.
* Getting rid of the nodes dictionary.
* Fix logic in cfg_emulated.py
* Multiple fixes.
* Type annotation fix.
* Fix missing edges after merging CFGNodes.
* Fix more logic.
* Add Soot CFGNodes to the CFG model.
* Lint and type check.
* Add USE_SPILLING_CFGNODE_DICT and CFGNode.dirty.
* Oops
* Lint code.
* No more pickling of CFGNodes.
* Fix no_ret being None.
* Lint code.
* Some refactor; Destroy the fallback mechanism.
* Fix node dirty bug after deserialization.
