bugbug/models/bugtype.py [51:103]:
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            bug_features.Patches(),
            bug_features.Landings(),
            bug_features.BlockedBugsNumber(),
            bug_features.EverAffected(),
            bug_features.AffectedThenUnaffected(),
            bug_features.Product(),
            bug_features.Component(),
        ]

        cleanup_functions = [
            feature_cleanup.url(),
            feature_cleanup.fileref(),
            feature_cleanup.synonyms(),
        ]

        self.extraction_pipeline = Pipeline(
            [
                (
                    "bug_extractor",
                    bug_features.BugExtractor(feature_extractors, cleanup_functions),
                ),
            ]
        )

        self.clf = Pipeline(
            [
                (
                    "union",
                    ColumnTransformer(
                        [
                            ("data", DictVectorizer(), "data"),
                            ("title", self.text_vectorizer(min_df=0.001), "title"),
                            (
                                "first_comment",
                                self.text_vectorizer(min_df=0.001),
                                "first_comment",
                            ),
                            (
                                "comments",
                                self.text_vectorizer(min_df=0.001),
                                "comments",
                            ),
                        ]
                    ),
                ),
                (
                    "estimator",
                    OneVsRestClassifier(
                        xgboost.XGBClassifier(n_jobs=utils.get_physical_cpu_count())
                    ),
                ),
            ]
        )
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bugbug/models/rcatype.py [86:138]:
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            bug_features.Patches(),
            bug_features.Landings(),
            bug_features.BlockedBugsNumber(),
            bug_features.EverAffected(),
            bug_features.AffectedThenUnaffected(),
            bug_features.Product(),
            bug_features.Component(),
        ]

        cleanup_functions = [
            feature_cleanup.url(),
            feature_cleanup.fileref(),
            feature_cleanup.synonyms(),
        ]

        self.extraction_pipeline = Pipeline(
            [
                (
                    "bug_extractor",
                    bug_features.BugExtractor(feature_extractors, cleanup_functions),
                ),
            ]
        )

        self.clf = Pipeline(
            [
                (
                    "union",
                    ColumnTransformer(
                        [
                            ("data", DictVectorizer(), "data"),
                            ("title", self.text_vectorizer(min_df=0.001), "title"),
                            (
                                "first_comment",
                                self.text_vectorizer(min_df=0.001),
                                "first_comment",
                            ),
                            (
                                "comments",
                                self.text_vectorizer(min_df=0.001),
                                "comments",
                            ),
                        ]
                    ),
                ),
                (
                    "estimator",
                    OneVsRestClassifier(
                        xgboost.XGBClassifier(n_jobs=utils.get_physical_cpu_count())
                    ),
                ),
            ]
        )
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