From af7d727d9635063169a045d8863b5986fe5acb90 Mon Sep 17 00:00:00 2001
From: Elias Sadek <elias.sadek@metoffice.gov.uk>
Date: Thu, 12 Dec 2024 15:38:26 +0000
Subject: [PATCH] pre-commit

---
 lib/iris/__init__.py      | 18 +++++++++++++++---
 lib/iris/_data_manager.py |  9 ++++-----
 lib/iris/cube.py          |  2 +-
 3 files changed, 20 insertions(+), 9 deletions(-)

diff --git a/lib/iris/__init__.py b/lib/iris/__init__.py
index 98b3275769..37b6a89c9a 100644
--- a/lib/iris/__init__.py
+++ b/lib/iris/__init__.py
@@ -143,7 +143,13 @@ def callback(cube, field, filename):
 class Future(threading.local):
     """Run-time configuration controller."""
 
-    def __init__(self, datum_support=False, pandas_ndim=False, save_split_attrs=False, dataless_cube=False):
+    def __init__(
+        self,
+        datum_support=False,
+        pandas_ndim=False,
+        save_split_attrs=False,
+        dataless_cube=False,
+    ):
         """Container for run-time options controls.
 
         To adjust the values simply update the relevant attribute from
@@ -190,7 +196,12 @@ def __repr__(self):
         # msg = ('Future(example_future_flag={})')
         # return msg.format(self.example_future_flag)
         msg = "Future(datum_support={}, pandas_ndim={}, save_split_attrs={}, dataless_cubes={})"
-        return msg.format(self.datum_support, self.pandas_ndim, self.save_split_attrs, self.dataless_cube)
+        return msg.format(
+            self.datum_support,
+            self.pandas_ndim,
+            self.save_split_attrs,
+            self.dataless_cube,
+        )
 
     # deprecated_options = {'example_future_flag': 'warning',}
     deprecated_options: dict[str, Literal["error", "warning"]] = {}
@@ -834,4 +845,5 @@ def use_plugin(plugin_name):
     """
     importlib.import_module(f"iris.plugins.{plugin_name}")
 
-MAINTAIN_DATA = "MAINTAINDATA"
\ No newline at end of file
+
+MAINTAIN_DATA = "MAINTAINDATA"
diff --git a/lib/iris/_data_manager.py b/lib/iris/_data_manager.py
index e0093a746f..5f30d33cec 100644
--- a/lib/iris/_data_manager.py
+++ b/lib/iris/_data_manager.py
@@ -159,12 +159,11 @@ def _deepcopy(self, memo, data=None):
         """
         shape = None
         try:
-            if (iris.FUTURE.dataless_cube and data is None):
+            if iris.FUTURE.dataless_cube and data is None:
                 shape = self.shape
-            elif (
-                    (iris.FUTURE.dataless_cube and data == iris.MAINTAIN_DATA)
-                    or (data is None)
-                ):
+            elif (iris.FUTURE.dataless_cube and data == iris.MAINTAIN_DATA) or (
+                data is None
+            ):
                 # Copy the managed data.
                 if self.has_lazy_data():
                     data = copy.deepcopy(self._lazy_array, memo)
diff --git a/lib/iris/cube.py b/lib/iris/cube.py
index e90cac7b45..902999b112 100644
--- a/lib/iris/cube.py
+++ b/lib/iris/cube.py
@@ -4084,7 +4084,7 @@ def _deepcopy(self, memo, data=None):
             aux_coords_and_dims=new_aux_coords_and_dims,
             cell_measures_and_dims=new_cell_measures_and_dims,
             ancillary_variables_and_dims=new_ancillary_variables_and_dims,
-            shape=(dm.shape if dm.core_data() is None else None)
+            shape=(dm.shape if dm.core_data() is None else None),
         )
 
         new_cube.metadata = deepcopy(self.metadata, memo)