comment out license_file for now.
LICENSE was added to master, but not yet in the latest release.
@@ -38,7 +38,7 @@ about:
home: https://github.com/scikit-beam/ipywe
license: MIT
license_family: MIT
- license_file: LICENSE
+# license_file: LICENSE
summary: 'jupyter widgets extension for scattering sciences'
doc_url: https://github.com/scikit-beam/ipywe
dev_url: https://github.com/scikit-beam/ipywe
