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[arthur657834]

System and Python Environment

Item	Tooltip	Value
System	uname -a
Python	python -V
Cobra	python cobra.py

Description

[Description of the bug or feature]

Steps to Reproduce

utils.py 文件 def target_directory
149 if '/' in branch:
150 target, branch = '{t}:{b}'.format(t=target, b=branch), 'master'

这个判断必要性在哪，为什么要替换成master，master 难道一定会存在吗 ？？？？target 替换之后会通不过re.match的正则校验从而出错

Expected behavior: [What you expected to happen]

Actual behavior: [What actually happened]