zstandard import bandaid (#1940)

* `zstandard` import bandaid * Update openff/toolkit/utils/openeye_wrapper.py Co-authored-by: Jeff Wagner <[email protected]> * Update openff/toolkit/utils/openeye_wrapper.py * Update release history --------- Co-authored-by: Jeff Wagner <[email protected]>
openforcefield · Oct 3, 2024 · 21536cc · 21536cc
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diff --git a/docs/releasehistory.md b/docs/releasehistory.md
@@ -6,12 +6,16 @@ Releases follow the `major.minor.micro` scheme recommended by [PEP440](https://w
 * `minor` increments add features but do not break API compatibility
 * `micro` increments represent bugfix releases or improvements in documentation
 
-## Current development
+## 0.16.5
 
 ### Improved documentation and warnings
 - [PR #1939](https://github.com/openforcefield/openff-toolkit/pull/1939): Resolves [#1587](https://github.com/openforcefield/openff-toolkit/pull/1587) by emitting a warning when from_openeye or from_rdkit try to load a molecule with multiple disconnected components.
 - [PR #1934](https://github.com/openforcefield/openff-toolkit/pull/1934): Fold the Toolkit FAQ into the new org-level FAQ: <https://docs.openforcefield.org/faq>
 
+### Miscellaneous
+
+- [PR #1940](https://github.com/openforcefield/openff-toolkit/pull/1940): Fixes an esoteric issue in which optional upstream packages resulted in import errors.
+
 ## 0.16.4
 
 ### Bugfixes

diff --git a/openff/toolkit/utils/openeye_wrapper.py b/openff/toolkit/utils/openeye_wrapper.py
@@ -6,6 +6,11 @@
 __all__ = ("OpenEyeToolkitWrapper",)
 
 
+# See https://github.com/conda-forge/openff-toolkit-feedstock/issues/86
+try:
+    import zstandard  # noqa
+except ImportError:
+    pass
 import importlib
 import logging
 import pathlib