diff --git a/xarray/core/dataarray.py b/xarray/core/dataarray.py
index e909e456ce7..aa433623d09 100644
--- a/xarray/core/dataarray.py
+++ b/xarray/core/dataarray.py
@@ -460,7 +460,7 @@ def __init__(
         # These fully describe a DataArray
         self._variable = variable
         # Variables can have undefined data type according to MyPy due to the fastpath
-        self._coords: Sequence[Sequence | pd.Index | DataArray] | Mapping  = coords  # type: ignore[assignment]
+        self._coords: Sequence[Sequence | pd.Index | DataArray] | Mapping = coords  # type: ignore[assignment]
         self._name = name
         self._indexes = indexes  # type: ignore[assignment]