whitespace fix

tools/github_tool.py

@@ -356,7 +356,7 @@ class GitHubTool(BaseTool):
             self.logger.error(error_message)
             return error_message
 
-   @metrics.measure
+    @metrics.measure
     def _read_file(self, path):
         self.logger.info(f"Reading file: {path} from branch: {self.current_branch}")
         url = f"{self.base_url}/repos/{self.repo}/contents/{path}"