Remove unused import

Author: uvchik

tests/test_deprecated.py

@@ -3,8 +3,6 @@
 SPDX-License-Identifier: MIT
 """
 
-import warnings
-
 import pytest
 
 from windpowerlib.data import load_turbine_data_from_oedb
@@ -19,4 +17,4 @@ def test_old_import():
 
 def test_old_name_load_data_from_oedb(recwarn):
     load_turbine_data_from_oedb()
-    assert recwarn.pop(FutureWarning)
+    assert recwarn.pop(FutureWarning)