Retry the validation as well as the fetch

apps/cli/executables/pexable/productfetcher/productfetcher/exceptions.py

@@ -27,7 +27,7 @@ import traceback
 from pathlib import Path
 
 
-class FetchError(Exception):
+class FetchError(BaseException):
     """
     Some sort of problem has occurred, and the program must end.
     """
@@ -54,7 +54,7 @@ class RetryableFetchError(FetchError):
         super().terminate_fetch()
 
 
-class FileValidationFault(FetchError):
+class FileValidationFault(RetryableFetchError):
     """
     A file has failed to validate for some reason. This is not a retryable error.
     """