Fix errors detected by ruff

edpop_explorer/cerl.py

@@ -1,11 +1,10 @@
 from abc import abstractmethod
 
-from rdflib import URIRef
 import requests
 from typing import List, Dict, Optional
 
 from edpop_explorer import (
-    Reader, Record, ReaderError, BiographicalRecord, Field, BIOGRAPHICAL
+    Reader, Record, ReaderError
 )
 
 

edpop_explorer/readers/sbtireader.py

@@ -1,5 +1,5 @@
 from rdflib import URIRef
-from typing import List, Dict, Optional
+from typing import Dict, Optional
 
 from edpop_explorer import (
     BiographicalRecord, Field, BIOGRAPHICAL

edpop_explorer/readers/stcn.py

@@ -1,14 +1,10 @@
-from rdflib import Graph, Namespace, URIRef
-from rdflib.term import Node
-from typing import List, Optional, Tuple
+from rdflib import URIRef
+from typing import List, Optional
 
 from edpop_explorer import Field, BIBLIOGRAPHICAL, BibliographicalRecord, LocationField, BIOGRAPHICAL, \
     BiographicalRecord
 from edpop_explorer.cerl import CERLReader
 from edpop_explorer.fields import LanguageField, ContributorField
-from edpop_explorer.sparqlreader import (
-    SparqlReader, BibliographicalRDFRecord
-)
 
 
 def _remove_markup(input_str: str) -> str:

tests/test_field.py

@@ -4,7 +4,6 @@
 
 from edpop_explorer import Field, FieldError, LocationField
 from edpop_explorer import EDPOPREC
-from edpop_explorer.normalizers import NormalizationResult
 
 
 @fixture