old_contents: import pytest
  
  from waterbutler.core import exceptions
  
  
  class TestExceptionSerialization:
  
      @pytest.mark.parametrize('exception_class', [
          (exceptions.WaterButlerError),
          (exceptions.InvalidParameters),
          (exceptions.UnsupportedHTTPMethodError),
          (exceptions.UnsupportedActionError),
          (exceptions.PluginError),
          (exceptions.AuthError),
          (exceptions.ProviderError),
          (exceptions.UnhandledProviderError),
          (exceptions.CopyError),
          (exceptions.CreateFolderError),
          (exceptions.DeleteError),
          (exceptions.DownloadError),
          (exceptions.IntraCopyError),
          (exceptions.IntraMoveError),
          (exceptions.MoveError),
          (exceptions.MetadataError),
          (exceptions.RevisionsError),
          (exceptions.UploadError),
          (exceptions.FolderNamingConflict),
          (exceptions.NamingConflict),
          (exceptions.ProviderNotFound),
          (exceptions.UploadChecksumMismatchError),
          (exceptions.UploadFailedError),
          (exceptions.NotFoundError),
          (exceptions.InvalidPathError),
          (exceptions.OverwriteSelfError),
          (exceptions.UnsupportedOperationError),
          (exceptions.ReadOnlyProviderError),
          (exceptions.UninitializedRepositoryError),
          (exceptions.UnexportableFileTypeError),
      ])
      def test_tolerate_dumb_signature(self, exception_class):
          """In order for WaterButlerError-inheriting exception classes to survive
          pickling/unpickling, it is necessary for them to be able to be instatiated with
           a single integer arg.  The reasons for this are described in the docstring for
          `waterbutler.core.exceptions.WaterButlerError`.
          """
          try:
              i_live_but_why = exception_class(616)
          except Exception as exc:
              pytest.fail(str(exc))
  
          assert isinstance(i_live_but_why, exception_class)
  
new_contents: import pytest
  
  from waterbutler.core import exceptions
  
  
  class TestExceptionSerialization:
  
      @pytest.mark.parametrize('exception_class', [
          (exceptions.WaterButlerError),
          (exceptions.InvalidParameters),
          (exceptions.UnsupportedHTTPMethodError),
          (exceptions.UnsupportedActionError),
          (exceptions.PluginError),
          (exceptions.AuthError),
          (exceptions.ProviderError),
          (exceptions.UnhandledProviderError),
          (exceptions.CopyError),
          (exceptions.CreateFolderError),
          (exceptions.DeleteError),
          (exceptions.DownloadError),
          (exceptions.IntraCopyError),
          (exceptions.IntraMoveError),
          (exceptions.MoveError),
          (exceptions.MetadataError),
          (exceptions.RevisionsError),
          (exceptions.UploadError),
          (exceptions.FolderNamingConflict),
          (exceptions.NamingConflict),
          (exceptions.ProviderNotFound),
          (exceptions.UploadChecksumMismatchError),
          (exceptions.UploadFailedError),
          (exceptions.NotFoundError),
          (exceptions.InvalidPathError),
          (exceptions.OverwriteSelfError),
          (exceptions.UnsupportedOperationError),
          (exceptions.ReadOnlyProviderError),
          (exceptions.UninitializedRepositoryError),
          (exceptions.UnexportableFileTypeError),
          (exceptions.InvalidProviderConfigError),
      ])
      def test_tolerate_dumb_signature(self, exception_class):
          """In order for WaterButlerError-inheriting exception classes to survive
          pickling/unpickling, it is necessary for them to be able to be instatiated with
           a single integer arg.  The reasons for this are described in the docstring for
          `waterbutler.core.exceptions.WaterButlerError`.
          """
          try:
              i_live_but_why = exception_class(616)
          except Exception as exc:
              pytest.fail(str(exc))
  
          assert isinstance(i_live_but_why, exception_class)
  
subject: Add `InvalidProviderConfigError` to tests