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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"GitCommand errors are stringifying bytes in 3.1.15","articleBody":"The 3.1.15 release changed at least how `git.exc.GitCommandError` Errors are being generated. I have tested with `stderr`, but am guessing the same would be true for `stdout`. Previously `git.exc.GitCommandError.stderr` was a string of the error with bytes decoded, now the error is a string with bytes stringified.\r\n\r\nrepo.git.rebase Error:\r\n  * 3.1.14-stderr = `\"\\n  stderr: 'fatal: invalid upstream 'invalid_branch''\"`\r\n  * 3.1.15-stderr = `'\\n  stderr: \\'b\"fatal: invalid upstream \\'invalid_branch\\'\"\\''`\r\n\r\nremote.push Error:\r\n  * 3.1.14-stderr = `\"\\n  stderr: 'error: src refspec invalid_branch does not match any\\nerror: failed to push some refs to 'git@gitservice.com:project/repo.git''\"`\r\n  * 3.1.15-stderr = `'\\n  stderr: \\'b\"error: src refspec invalid_branch does not match any\\\\nerror: failed to push some refs to \\'git@gitservice.com:project/repo.git\\'\"\\''`\r\n\r\nSteps to reproduce:\r\n```\r\nimport git\r\n\r\nexception = git.exc.CommandError(command=\"git rebase invalid_branch\".split(), stderr=b\"abc\")\r\nexception.stderr\r\n```\r\n\r\nSteps to reproduce from code\r\n```\r\nimport git\r\n\r\npath_to_repo = \"my_project\"\r\nrepo = git.Repo(path_to_repo)\r\n\r\nlocal_branch = \"invalid_branch\"\r\nremote_branch = local_branch\r\n\r\n# Generate Error for Rebase\r\ntry:\r\n    repo.git.rebase(refspec=f\"{remote_branch})\"\r\nexcept Exception as err:\r\n    print(err.stderr)\r\n\r\n# Generate Error for Push\r\ntry:\r\n    repo.remotes[0].push(f\"{local_branch}:{remote_branch}\")\r\nexcept Exception as err:\r\n    print(err.stderr)\r\n```\r\n","author":{"url":"https://github.com/jmcgill298","@type":"Person","name":"jmcgill298"},"datePublished":"2021-04-21T14:29:54.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/1220/GitPython/issues/1220"}