fix formating

libs/community/langchain_community/graphs/rdf_graph.py

@@ -2,9 +2,9 @@
 
 from typing import (
     TYPE_CHECKING,
+    Dict,
     List,
     Optional,
-    Dict,
 )
 
 if TYPE_CHECKING:
@@ -127,8 +127,10 @@ def __init__(
         :param update_endpoint: SPARQL endpoint for UPDATE queries, write access
         :param standard: RDF, RDFS, or OWL
         :param local_copy: new local copy for storing changes
-        :param graph_kwargs: Additional rdflib.Graph specific kwargs that will be used to initialize it.
-        If not provided, only identifier="urn:x-rdflib:default" is used to initialize the graph.
+        :param graph_kwargs: Additional rdflib.Graph specific kwargs
+        that will be used to initialize it.
+        If not provided, only identifier="urn:x-rdflib:default" is used
+        to initialize the graph.
         """
         self.source_file = source_file
         self.serialization = serialization

libs/langchain/tests/integration_tests/chains/test_graph_database_sparql.py

@@ -83,28 +83,30 @@ def test_sparql_insert() -> None:
 def test_loading_schema_from_graphdb() -> None:
     graph = RdfGraph(
         query_endpoint="http://localhost:7200/repositories/langchain",
-        graph_kwargs={"bind_namespaces": "none"}
+        graph_kwargs={"bind_namespaces": "none"},
     )
     schema = graph.get_schema
     prefix = (
-        "In the following, each IRI is followed by the local name and optionally its description in parentheses. \n"
-        "The RDF graph supports the following node types:")
+        "In the following, each IRI is followed by the local name and "
+        "optionally its description in parentheses. \n"
+        "The RDF graph supports the following node types:"
+    )
     assert schema.startswith(prefix)
 
     infix = "The RDF graph supports the following relationships:"
     assert infix in schema
 
-    classes = schema[len(prefix):schema.index(infix)]
+    classes = schema[len(prefix) : schema.index(infix)]
     assert len(re.findall("<[^>]+> \\([^)]+\\)", classes)) == 5
 
-    relationships = schema[schema.index(infix) + len(infix):]
+    relationships = schema[schema.index(infix) + len(infix) :]
     assert len(re.findall("<[^>]+> \\([^)]+\\)", relationships)) == 58
 
 
 def test_graph_qa_chain_with_graphdb() -> None:
     graph = RdfGraph(
         query_endpoint="http://localhost:7200/repositories/langchain",
-        graph_kwargs={"bind_namespaces": "none"}
+        graph_kwargs={"bind_namespaces": "none"},
     )
 
     chain = GraphSparqlQAChain.from_llm(OpenAI(temperature=0), graph=graph)