BF(workaround): do not query versioneer for version if it fails to im…

…port

Unfortunately I did not find a better solution for a still open
   python-versioneer/python-versioneer#192
so we might just reconsider (not) using versioneer altogether in the future

setup.py

@@ -12,7 +12,16 @@
 import sys
 
 from setuptools import setup
-import versioneer
+try:
+    import versioneer
+    setup_kw = {
+        'version': versioneer.get_version(),
+        'cmdclass': versioneer.get_cmdclass()
+    }
+except ImportError:
+    # see https://github.com/warner/python-versioneer/issues/192
+    print("WARNING: failed to import versioneer, falling back to no version for now")
+    setup_kw = {}
 
 # Give setuptools a hint to complain if it's too old a version
 # 30.3.0 allows us to put most metadata in setup.cfg
@@ -24,5 +33,4 @@
 if __name__ == "__main__":
     setup(name='dandi',
           setup_requires=SETUP_REQUIRES,
-          version=versioneer.get_version(),
-          cmdclass=versioneer.get_cmdclass())
+          **setup_kw)