Raise runtime error on import

Author: razor-x

.github/workflows/check.yml

@@ -1,9 +1,7 @@
 # flake8: noqa
 # type: ignore
 
-import warnings
-
-warnings.warn("The seamapi package has been moved to seam. \n Please refer to the migration guide at https://github.com/seamapi/python/releases/tag/v1.0.0", DeprecationWarning)
+raise RuntimeError("The seamapi package has been moved to seam. \n Please refer to the migration guide at https://github.com/seamapi/python/releases/tag/v1.0.0")
 
 from seamapi.seam import Seam
 from seamapi.seam import SeamApiException