fix bad test

fsspec · Aug 25, 2023 · 5fc5470 · 5fc5470
1 parent 2950deb
commit 5fc5470
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diff --git a/kerchunk/tests/test_utils.py b/kerchunk/tests/test_utils.py
@@ -107,7 +107,7 @@ def test_subchunk_exact(m, chunks):
 
     out = kerchunk.utils.subchunk(ref, "data", 5)
     nchunk = 10 // chunks[0] * 5
-    assert list(ref) == [".zgroup", "data/.zarray"] + [
+    assert list(out) == [".zgroup", "data/.zarray"] + [
         f"data/{_}.0" for _ in range(nchunk)
     ]
 

diff --git a/kerchunk/utils.py b/kerchunk/utils.py
@@ -237,6 +237,7 @@ def subchunk(store, variable, factor):
     modified store
     """
     fs = fsspec.filesystem("reference", fo=store)
+    store = copy.deepcopy(store)
     meta_file = f"{variable}/.zarray"
     meta = ujson.loads(fs.cat(meta_file))
     if meta["compressor"] is not None: