fix: test issue

Author: srini047

integrations/github/src/haystack_integrations/components/connectors/github/repo_forker.py

@@ -60,9 +60,9 @@ def __init__(
         :param auto_sync: If True, syncs fork with original repository if it already exists
         :param create_branch: If True, creates a fix branch based on the issue number
         """
-        error_message = "github_token must be a Secret"
-        if not isinstance(github_token, Secret):
-            raise TypeError(error_message)
+        if github_token is not None and not isinstance(github_token, Secret):
+            msg = "github_token must be a Secret"
+            raise TypeError(msg)
 
         self.github_token = github_token
         self.raise_on_failure = raise_on_failure

integrations/github/tests/test_repo_forker_tool.py

@@ -9,8 +9,8 @@
 class TestGitHubRepoForkerTool:
     def test_init(self, monkeypatch):
         monkeypatch.setenv("GITHUB_TOKEN", "test-token")
-        tool = GitHubRepoForkerTool()
 
+        tool = GitHubRepoForkerTool()
         assert tool.name == "repo_forker"
         assert tool.description == REPO_FORKER_PROMPT
         assert tool.parameters == REPO_FORKER_SCHEMA