XGBoost Classifier (#7106)

* Fixes: #{6551}

* Update xgboostclassifier.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Update xgboostclassifier.py

* Update xgboostclassifier.py

* Update xgboostclassifier.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Fixes: #{6551}

* Update xgboostclassifier.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Update xgboostclassifier.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Update xgboostclassifier.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Update xgboostclassifier.py

* Fixes : #6551

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Fixes : #6551

* Fixes : #6551

* Fixes: #6551

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Update xgboostclassifier.py

* Update xgboostclassifier.py

* Update xgboostclassifier.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Fixes: #6551

* Fixes #6551

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Fixes: {#6551}

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Fixes: {#6551}

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Fixes: #6551

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* FIXES: {#6551}

* Fixes : { #6551}

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Fixes : { #6551}

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Fixes: { #6551]

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Update xgboostclassifier.py

* Update xgboostclassifier.py

* Apply suggestions from code review

* Update xgboostclassifier.py

* Update xgboostclassifier.py

* Update xgboostclassifier.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Fixes: { #6551}

* Update xgboostclassifier.py

* Fixes: { #6551}

* Update xgboostclassifier.py

* Fixes: ( #6551)

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Fixes: { #6551}

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Christian Clauss <cclauss@me.com>