Bug#1103579: coot: autopkgtest regression: ImportError

[Chris Hofstaedtler]

Source: coot
Version: 1.1.15+dfsg-1
Severity: serious
X-Debbugs-Cc: rdkit at packages.debian.org
Control: affects -1 src:rdkit

coot's autopkgtests fail with rdkit 202503.1-2:

https://ci.debian.net/packages/c/coot/testing/amd64/60162582/

 76s Traceback (most recent call last):
 76s   File "<frozen runpy>", line 198, in _run_module_as_main
 76s   File "<frozen runpy>", line 88, in _run_code
 76s   File "/usr/lib/python3/dist-packages/coot/pyrogen.py", line 38, in <module>
 76s     import pyrogen_swig as pysw # relies on above rdkit.Chem import AllChem (but ideally should not)
 76s     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 76s   File "/usr/lib/python3/dist-packages/coot/pyrogen_swig.py", line 12, in <module>
 76s     import _pyrogen_swig
 76s ImportError: /usr/lib/x86_64-linux-gnu/coot/libcoot-lidia-core.so.0: undefined symbol: _ZN5RDKit6MolOps5addHsERKNS_5ROMolEbbPKSt6vectorIjSaIjEEb