diff --git a/src/dolphin/unwrap/_tophu.py b/src/dolphin/unwrap/_tophu.py
index 60255aba..d0757917 100644
--- a/src/dolphin/unwrap/_tophu.py
+++ b/src/dolphin/unwrap/_tophu.py
@@ -189,9 +189,10 @@ def _get_cb_and_nodata(unwrap_method, unwrap_callback, nodata):
         # Fill in the nan pixels with the nearest ambiguities
         from ._post_process import interpolate_masked_gaps
 
-        with rio.open(unw_filename, mode="r+") as u_src, rio.open(
-            igram_rb.filepath
-        ) as i_src:
+        with (
+            rio.open(unw_filename, mode="r+") as u_src,
+            rio.open(igram_rb.filepath) as i_src,
+        ):
             unw = u_src.read(1)
             ifg = i_src.read(1)
             # nodata_mask = i_src.read_masks(1) != 0
diff --git a/tests/test_io_readers.py b/tests/test_io_readers.py
index 5ddc990a..a6de296e 100644
--- a/tests/test_io_readers.py
+++ b/tests/test_io_readers.py
@@ -40,15 +40,18 @@ def binary_file_list(tmp_path_factory, slc_stack):
     for i, slc in enumerate(slc_stack):
         f = tmp_path / f"test_{i}.bin"
         # Ignore warning
-        with pytest.warns(NotGeoreferencedWarning), rio.open(
-            f,
-            "w",
-            driver="ENVI",
-            width=shape[1],
-            height=shape[0],
-            count=1,
-            dtype=dtype,
-        ) as dst:
+        with (
+            pytest.warns(NotGeoreferencedWarning),
+            rio.open(
+                f,
+                "w",
+                driver="ENVI",
+                width=shape[1],
+                height=shape[0],
+                count=1,
+                dtype=dtype,
+            ) as dst,
+        ):
             dst.write(slc, 1)
         files.append(f)