added joblib dependency

Author: tmbo

poetry.lock

@@ -122,6 +122,7 @@ setuptools = ">=41.0.0"
 kafka-python = ">=1.4,<3.0"
 ujson = ">=1.35,<3.0"
 oauth2client = "4.1.3"
+joblib = "^0.15.1"
 
 [tool.poetry.dev-dependencies]
 pytest-cov = "^2.8.1"

pyproject.toml

@@ -301,7 +301,7 @@ def load(
         cached_component: Optional["CRFEntityExtractor"] = None,
         **kwargs: Any,
     ) -> "CRFEntityExtractor":
-        from sklearn.externals import joblib
+        import joblib
 
         file_names = meta.get("files")
         entity_taggers = {}
@@ -333,7 +333,7 @@ def persist(self, file_name: Text, model_dir: Text) -> Optional[Dict[Text, Any]]
 
         Returns the metadata necessary to load the model again."""
 
-        from sklearn.externals import joblib
+        import joblib
 
         file_names = {}