Bump black/black-nb and apply light lint on test_datagrid

Signed-off-by: Itay Dafna <[email protected]>

Author: ibdafna

.pre-commit-config.yaml

@@ -11,12 +11,12 @@ repos:
       - id: pyupgrade
         args: ['--py36-plus']
   - repo: https://github.com/psf/black
-    rev: 20.8b1
+    rev: 21.4b0
     hooks:
       - id: black
         args: [--safe]
   - repo: https://github.com/tomcatling/black-nb
-    rev: 0.4.0
+    rev: 0.5.0
     hooks:
       - id: black-nb
   - repo: https://github.com/PyCQA/isort

tests/test_datagrid.py

@@ -55,7 +55,7 @@ def test_get_cell_value(datagrid: DataGrid) -> None:
 
 
 def test_set_cell_value() -> None:
-    """ Cannot be tested without a running front end """
+    """Cannot be tested without a running front end"""
     pass
 
 
@@ -65,7 +65,7 @@ def get_cell_value_by_index(datagrid: DataGrid) -> None:
 
 
 def test_set_cell_value_by_index() -> None:
-    """ Cannot be tested without a running front end """
+    """Cannot be tested without a running front end"""
     pass