fix: add missing closing import

Author: BitForge95

tests/create_sequence_data.py

@@ -1,6 +1,7 @@
 import shutil
-from contextlib import contextmanager
+from contextlib import contextmanager, closing
 from pathlib import Path
+from experanto.interpolators import Interpolator
 
 import numpy as np
 import yaml
@@ -106,10 +107,8 @@ def sequence_data_and_interpolator(data_kwargs=None, interp_kwargs=None):
     interp_kwargs = interp_kwargs or {}
     with create_sequence_data(**data_kwargs) as (timestamps, data, shifts):
         # Restore the helper expected by the rest of the test suite
-        from experanto.interpolators import Interpolator
 
-        seq_interp = Interpolator.create(str(SEQUENCE_ROOT), **interp_kwargs)
-        try:
+        with closing(
+            Interpolator.create(str(SEQUENCE_ROOT), **interp_kwargs)
+        ) as seq_interp:
             yield timestamps, data, shifts, seq_interp
-        finally:
-            seq_interp.close()