diff --git a/marklogic/rows.py b/marklogic/rows.py
index 1eca7e3..c4fd7fa 100644
--- a/marklogic/rows.py
+++ b/marklogic/rows.py
@@ -1,5 +1,5 @@
 import json
-from requests import Session, Response
+from requests import Session
 
 """
 Defines a RowManager class to simplify usage of the "/v1/rows" & "/v1/rows/graphql" REST
@@ -15,7 +15,9 @@ class RowManager:
     def __init__(self, session: Session):
         self._session = session
 
-    def graphql(self, graphql_query: str, return_response: bool = False, *args, **kwargs):
+    def graphql(
+        self, graphql_query: str, return_response: bool = False, *args, **kwargs
+    ):
         """
         Send a GraphQL query to MarkLogic via a POST to the endpoint defined at
         https://docs.marklogic.com/REST/POST/v1/rows/graphql
@@ -48,7 +50,7 @@ def graphql(self, graphql_query: str, return_response: bool = False, *args, **kw
         "xml": "application/xml",
         "csv": "text/csv",
         "json-seq": "application/json-seq",
-        "mixed": "application/xml, multipart/mixed"
+        "mixed": "application/xml, multipart/mixed",
     }
 
     __query_format_switch = {
@@ -56,10 +58,20 @@ def graphql(self, graphql_query: str, return_response: bool = False, *args, **kw
         "xml": lambda response: response.text,
         "csv": lambda response: response.text,
         "json-seq": lambda response: response.text,
-        "mixed": lambda response: response
+        "mixed": lambda response: response,
     }
 
-    def query(self, dsl: str = None, plan: dict = None, sql: str = None, sparql: str = None, format: str = "json", return_response: bool = False, *args, **kwargs):
+    def query(
+        self,
+        dsl: str = None,
+        plan: dict = None,
+        sql: str = None,
+        sparql: str = None,
+        format: str = "json",
+        return_response: bool = False,
+        *args,
+        **kwargs
+    ):
         """
         Send a query to MarkLogic via a POST to the endpoint defined at
         https://docs.marklogic.com/REST/POST/v1/rows
@@ -86,10 +98,7 @@ def query(self, dsl: str = None, plan: dict = None, sql: str = None, sparql: str
         headers["Content-Type"] = request_info["content-type"]
         headers["Accept"] = RowManager.__accept_switch.get(format)
         response = self._session.post(
-            "v1/rows",
-            headers=headers,
-            data=request_info["data"],
-            **kwargs
+            "v1/rows", headers=headers, data=request_info["data"], **kwargs
         )
         return (
             RowManager.__query_format_switch.get(format)(response)
@@ -111,22 +120,15 @@ def __get_request_info(self, dsl: str, plan: dict, sql: str, sparql: str):
         if dsl is not None:
             return {
                 "content-type": "application/vnd.marklogic.querydsl+javascript",
-                "data": dsl
+                "data": dsl,
             }
         if plan is not None:
-            return {
-                "content-type": "application/json",
-                "data": plan
-            }
+            return {"content-type": "application/json", "data": plan}
         if sql is not None:
-            return {
-                "content-type": "application/sql",
-                "data": sql
-            }
+            return {"content-type": "application/sql", "data": sql}
         if sparql is not None:
-            return {
-                "content-type": "application/sparql-query",
-                "data": sparql
-            }
+            return {"content-type": "application/sparql-query", "data": sparql}
         else:
-            raise ValueError("No query found; must specify one of: dsl, plan, sql, or sparql")
+            raise ValueError(
+                "No query found; must specify one of: dsl, plan, sql, or sparql"
+            )
diff --git a/tests/test_graphql.py b/tests/test_graphql.py
index 54e2fd4..c1999ca 100644
--- a/tests/test_graphql.py
+++ b/tests/test_graphql.py
@@ -1,12 +1,17 @@
 def test_graphql(client):
-    data = client.rows.graphql("query musicianQuery { test_musician { lastName firstName dob } }")
+    data = client.rows.graphql(
+        "query musicianQuery { test_musician { lastName firstName dob } }"
+    )
     musicians = data["data"]["test_musician"]
     assert 4 == len(musicians)
     assert 1 == len([m for m in musicians if m["lastName"] == "Armstrong"])
 
 
 def test_graphql_return_response(client):
-    response = client.rows.graphql("query musicianQuery { test_musician { lastName firstName dob } }", return_response=True)
+    response = client.rows.graphql(
+        "query musicianQuery { test_musician { lastName firstName dob } }",
+        return_response=True,
+    )
     assert 200 == response.status_code
     data = response.json()
     musicians = data["data"]["test_musician"]
@@ -15,11 +20,18 @@ def test_graphql_return_response(client):
 
 
 def test_graphql_bad_graphql(client):
-    response = client.rows.graphql("query musicianQuery { test_musician { lastName firstName dob } ")
-    assert 1 == len(response['errors'])
-    assert 'GRAPHQL-PARSE: Error parsing the GraphQL request string => \nquery musicianQuery { test_musician { lastName firstName dob } ' == response['errors'][0]['message']
+    response = client.rows.graphql(
+        "query musicianQuery { test_musician { lastName firstName dob } "
+    )
+    assert 1 == len(response["errors"])
+    assert (
+        "GRAPHQL-PARSE: Error parsing the GraphQL request string => \nquery musicianQuery { test_musician { lastName firstName dob } "
+        == response["errors"][0]["message"]
+    )
 
 
 def test_graphql_bad_user(not_rest_user_client):
-    response = not_rest_user_client.rows.graphql("query musicianQuery { test_musician { lastName firstName dob } }")
+    response = not_rest_user_client.rows.graphql(
+        "query musicianQuery { test_musician { lastName firstName dob } }"
+    )
     assert 403 == response.status_code
diff --git a/tests/test_query.py b/tests/test_rows.py
similarity index 79%
rename from tests/test_query.py
rename to tests/test_rows.py
index 0a23827..6c2000f 100644
--- a/tests/test_query.py
+++ b/tests/test_rows.py
@@ -2,8 +2,8 @@
 
 dsl_query = 'op.fromView("test","musician").orderBy(op.col("lastName"))'
 serialized_query = '{"$optic":{"ns":"op", "fn":"operators", "args":[{"ns":"op", "fn":"from-view", "args":["test", "musician"]}, {"ns":"op", "fn":"order-by", "args":[{"ns":"op", "fn":"col", "args":["lastName"]}]}]}}'
-sql_query = 'select * from musician order by lastName'
-sparql_query = 'PREFIX musician: <http://marklogic.com/column/test/musician/> SELECT * WHERE {?s musician:lastName ?lastName} ORDER BY ?lastName'
+sql_query = "select * from musician order by lastName"
+sparql_query = "PREFIX musician: <http://marklogic.com/column/test/musician/> SELECT * WHERE {?s musician:lastName ?lastName} ORDER BY ?lastName"
 
 
 def test_dsl_default(client):
@@ -14,7 +14,9 @@ def test_dsl_default(client):
 def test_dsl_default_return_response(client):
     response = client.rows.query(dsl_query, return_response=True)
     assert 200 == response.status_code
-    verify_four_musicians_are_returned_in_json(response.json(), "test.musician.lastName")
+    verify_four_musicians_are_returned_in_json(
+        response.json(), "test.musician.lastName"
+    )
 
 
 def test_query_bad_user(not_rest_user_client):
@@ -31,17 +33,22 @@ def test_dsl_xml(client):
     data = client.rows.query(dsl_query, format="xml")
     verify_four_musicians_are_returned_in_xml_string(data)
 
+
 def test_dsl_csv(client):
     data = client.rows.query(dsl_query, format="csv")
     verify_four_musicians_are_returned_in_csv(data)
 
+
 def test_dsl_json_seq(client):
     data = client.rows.query(dsl_query, format="json-seq")
     verify_four_musicians_are_returned_in_json_seq(data)
 
+
 def test_dsl_mixed(client):
     response = client.rows.query(dsl_query, format="mixed")
-    verify_four_musicians_are_returned_in_json(response.json(), "test.musician.lastName")
+    verify_four_musicians_are_returned_in_json(
+        response.json(), "test.musician.lastName"
+    )
 
 
 def test_serialized_default(client):
@@ -60,7 +67,10 @@ def test_sparql_default(client):
 
 
 def test_no_query_parameter_provided(client):
-    with raises(ValueError, match="No query found; must specify one of: dsl, plan, sql, or sparql"):
+    with raises(
+        ValueError,
+        match="No query found; must specify one of: dsl, plan, sql, or sparql",
+    ):
         client.rows.query()
 
 
@@ -68,7 +78,9 @@ def verify_four_musicians_are_returned_in_json(data, column_name):
     assert type(data) is dict
     assert 4 == len(data["rows"])
     for index, musician in enumerate(["Armstrong", "Byron", "Coltrane", "Davis"]):
-        assert {'type': 'xs:string', 'value': musician} == data["rows"][index][column_name]
+        assert {"type": "xs:string", "value": musician} == data["rows"][index][
+            column_name
+        ]
 
 
 def verify_four_musicians_are_returned_in_xml_string(data):
@@ -81,7 +93,12 @@ def verify_four_musicians_are_returned_in_xml_string(data):
 def verify_four_musicians_are_returned_in_csv(data):
     assert type(data) is str
     assert 5 == len(data.split("\n"))
-    for musician in ['Armstrong,Louis,1901-08-04', 'Byron,Don,1958-11-08', 'Coltrane,John,1926-09-23', 'Davis,Miles,1926-05-26']:
+    for musician in [
+        "Armstrong,Louis,1901-08-04",
+        "Byron,Don,1958-11-08",
+        "Coltrane,John,1926-09-23",
+        "Davis,Miles,1926-05-26",
+    ]:
         assert musician in data