Make imports not optional

Author: mkitti

numcodecs/tests/test_pyzstd.py

@@ -1,18 +1,10 @@
 # Check Zstd against pyzstd package
-from typing import TYPE_CHECKING
 
 import numpy as np
 import pytest
+import pyzstd
 
-try:
-    from numcodecs.zstd import Zstd
-except ImportError:  # pragma: no cover
-    pytest.skip("numcodecs.zstd not available", allow_module_level=True)
-
-if TYPE_CHECKING:  # pragma: no cover
-    import pyzstd
-else:
-    pyzstd = pytest.importorskip("pyzstd")
+from numcodecs.zstd import Zstd
 
 test_data = [
     b"Hello World!",

numcodecs/tests/test_zstd.py

@@ -4,12 +4,6 @@
 import numpy as np
 import pytest
 
-try:
-    from numcodecs.zstd import Zstd
-except ImportError:  # pragma: no cover
-    pytest.skip("numcodecs.zstd not available", allow_module_level=True)
-
-
 from numcodecs.tests.common import (
     check_backwards_compatibility,
     check_config,
@@ -18,6 +12,7 @@
     check_err_encode_object_buffer,
     check_repr,
 )
+from numcodecs.zstd import Zstd
 
 codecs = [
     Zstd(),