add flake8 flag

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

Author: ibdafna

ipydatagrid/datagrid.py

@@ -70,7 +70,7 @@ def all(self):
         represented as a dictionary
         with keys 'r': row and 'c': column
         """
-        return [cell for cell in self]
+        return [cell for cell in self]  # noqa: C416
 
     def all_values(self):
         """