diff --git a/gitlab/client.py b/gitlab/client.py
@@ -96,6 +96,7 @@ def __init__(
        self.http_password = http_password
        self.oauth_token = oauth_token
        self.job_token = job_token
        self._set_auth_info()

        #: Create a session object for requests
@@ -487,21 +488,25 @@ def _set_auth_info(self) -> None:
            self.headers.pop("Authorization", None)
            self.headers["PRIVATE-TOKEN"] = self.private_token
            self.headers.pop("JOB-TOKEN", None)

        if self.oauth_token:
            self.headers["Authorization"] = f"Bearer {self.oauth_token}"
            self.headers.pop("PRIVATE-TOKEN", None)
            self.headers.pop("JOB-TOKEN", None)

        if self.job_token:
            self.headers.pop("Authorization", None)
            self.headers.pop("PRIVATE-TOKEN", None)
            self.headers["JOB-TOKEN"] = self.job_token

        if self.http_username:
            self._http_auth = requests.auth.HTTPBasicAuth(
                self.http_username, self.http_password
            )

    def enable_debug(self) -> None:
        import logging
@@ -722,6 +727,7 @@ def http_request(
                    response_code=result.status_code,
                    error_message=error_message,
                    response_body=result.content,
                )

            raise gitlab.exceptions.GitlabHttpError(

diff --git a/gitlab/exceptions.py b/gitlab/exceptions.py
@@ -52,7 +52,24 @@ def __str__(self) -> str:


class GitlabAuthenticationError(GitlabError):
-    pass


class RedirectError(GitlabError):

diff --git a/tests/unit/test_exceptions.py b/tests/unit/test_exceptions.py
@@ -16,3 +16,27 @@ def raise_error_from_http_error():
    with pytest.raises(TestError) as context:
        raise_error_from_http_error()
    assert isinstance(context.value.__cause__, exceptions.GitlabHttpError)
Original file line number	Diff line number	Diff line change
Expand Up		@@ -52,7 +52,24 @@ def __str__(self) -> str:


		class GitlabAuthenticationError(GitlabError):
		pass




		class RedirectError(GitlabError):
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -16,3 +16,27 @@ def raise_error_from_http_error():
		with pytest.raises(TestError) as context:
		raise_error_from_http_error()
		assert isinstance(context.value.__cause__, exceptions.GitlabHttpError)